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Explore every episode of What On Earth

Dive into the complete episode list for What On Earth. Each episode is cataloged with detailed descriptions, making it easy to find and explore specific topics. Keep track of all episodes from your favorite podcast and never miss a moment of insightful content.

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Pub. DateTitleDuration
04 Jun 2021Biodiversity on the brink00:34:59
A million species are at risk of extinction. Climate change is making it worse. On the front lines of conservation, we talk to scientists using new tools like big data to help. But with a problem this size, they say it’s clear: we know enough to act now.
17 Sep 2022The race to link extreme weather to climate change00:53:50
A researcher explains why it's important to confirm the connection between greenhouse gas emissions and wild weather, such as flooding in Pakistan and the heat dome in B.C. Rocking out at a solar powered nighttime concert on Prince Edward Island. Plus, we hear from people bringing climate action into their workplaces.
09 Oct 2021Electrify everything: an optimist's climate solution00:37:30
This week, an electrifying conversation with Saul Griffith. The scientist and inventor has dedicated himself to halting climate change. Electrify everything is his clarion call. And the work he says, begins right at home - your oven, your dryer, your car and much more.
21 Sep 2024What teenagers really need in a climate crisis00:28:40

Spoiler: it’s not Chem 11. We hear how a B.C. science teacher learned to support her students after the 2021 atmospheric river. Now, she’s teaching other teachers how to do the same. Then, we head to Toronto to hear how young Muslims are connecting with nature, and learning to make change, thanks to the group Green Ummah.

10 Aug 2024The creators trying to 'shove climate change' into your feed00:26:14

Not everyone is hungry for climate content in the crowded social media landscape, but some Canadian content creators are determined to get Tik Tok, Youtube and Instagram users engaged in the climate conversation. Karishma Porwal (a.k.a. @karishmaclimategirl), Hazel Thayer (a.k.a. @hazelisonline), and Aaron Hagey-MacKay (a.k.a. @the_goose_media) share their strategies – from connecting climate to the housing crisis, to debunking carbon tax myths, to pushing back against fashion hauls with "underconsumption core" videos.

30 Dec 2023This province leads the way in tackling environmental racism00:54:11
Some stories leave us wondering “what happened next?” We hear details from a new report aimed at helping Nova Scotia tackle environmental racism. A check-in with an elder with the Sturgeon Creek First Nation who’s still living in a hotel seven months after wildfire and flooding forced her from her home. Updates from educators who are teaching their students how to contribute to climate solutions. News from a Canadian senator who wants to force banks to help the climate instead of hurting it. Plus: the whole What On Earth team pops into the studio to share some of 2023's biggest climate wins.
13 May 2023Why a battle over a seawall is key to the future of PEI’s crumbling shores00:54:14
A dispute over a stone seawall on a public beach exposes PEI’s climate vulnerability and raises questions about natural solutions to the island’s eroding shores. CBC producer Janna Graham takes us to visit "The Wall" and learn what’s at stake as the island faces rising sea levels and more storm surges like Fiona. Next, we go down under to hear what Australia's deadly wildfires can teach us about the decision to "stay and defend" your property despite evacuation orders. Then, we tag along with a group of young people who want climate jobs and are banging down the government’s door to get them. We hear about their demands for a “Youth Climate Corps”.
06 May 2023The hunt for herring in a B.C. fjord and why it matters00:53:52
Laura Lynch sidles up to sea lions in Howe Sound with a group protecting biodiversity. Why we need “all hands on deck” in the fight against wildfires. Listeners weigh in on how to leave fossil fuels behind without leaving workers in the lurch. A post-apocalyptic climate drama helps high school students grapple with the effects of climate change. And a local climate hero and hairdresser tells about the magic of …worms?
03 Jul 2024Should we really be tinkering with clouds?00:18:57

Drought is on the rise in Canada. And science is looking to the sky for solutions. Join producer Molly Segal as she takes you on a journey to explore the history, ethics and future of cloud seeding in Canada.

08 Oct 2022ENCORE: Pass the baton00:54:11
Young Black Canadians talk about how they're breaking barriers in the climate movement and we hear from the 'father of environmental justice' about where the struggle began. Author Britt Wray on turning climate anxiety into "a tool, not a dead end." And a visit with people in Vancouver going meatless for Thanksgiving.
11 May 2024Low pay, high risk. Why stay to fight wildfires in Alberta?00:27:13

Wildfire fighters say working conditions threaten the safety of crew and the public in that province. As climate change leads to more intense forest fires, the people on the front lines say they’re losing team members to other employers and something needs to change.

14 Aug 2024Why Jane Goodall still insists on hope (via The Current)00:25:53

Jane Goodall believes we’re living through very dark times indeed, but the renowned primatologist continues to see hope as a basic survival strategy. 


In a special bonus episode from The Current with Matt Galloway, she explains why. Goodall offers her perspective as someone born during the Great Depression, who lived through World War II, and who sees the events happening around us today with the clarity of a wise elder. 


She officially turned 90 since this interview, recorded last October, and we want to make sure our listeners have a chance to consider her key message — especially if you’re still young. (Remember, her world-changing work began in her 20s. Her passion for nature started even younger.)


For more stories to expand your worldview, find and follow The Current wherever you get your podcasts, or here: https://link.chtbl.com/Twob3407

20 Apr 2024Can Earth Day be badass again?00:28:08

In 1970, 20 million people showed up to fight for the environment on the first Earth Day. But more than five decades later – is it time for this much tamer global event to return to its radical roots? Organizer Denis Hayes recounts how – amidst other counterculture movements at the time – he transformed Earth Day from a campus teach-in to a national protest. As he approaches 80, Denis offers his best OG advice to the next generation of climate leaders. Then, environmental warriors Maria Blancas and Axcelle Campana share ideas on what a revamped Earth Day could look like – including making it a public holiday.

24 Oct 2022What On Earth Introduces: The Outlaw Ocean00:52:57
The high seas are beyond the reach of international law – and beyond the beat of most reporters. But Pulitzer-Prize-winner and former New York Times journalist, Ian Urbina, has sailed into uncharted territories. Urbina sets out on a years-long quest to investigate murder at sea, modern slave labour, environmental crimes and quixotic adventurers. Part travelog, part true-crime thriller, this 7-part series takes listeners to places where the laws of the land no longer exist. The Outlaw Ocean is brought to you by CBC Podcasts and the LA Times and produced by The Outlaw Ocean Project. More episodes are available at http://hyperurl.co/theoutlawocean
10 May 2022What On Earth Introduces: Tai Asks Why - Season 400:04:12
Fifteen-year-old Tai Poole won’t rest until he’s uncovered the mysteries of the universe, one probing question at a time. In Season 4 of his Webby-winning podcast, Tai talks to everyone from NASA scientists to stand-up comedians to his equally curious little brother Kien. If you’ve ever wondered if we can keep eating meat without destroying the planet or if we’re alone in the universe, Tai has you covered. More episodes are available at hyperurl.co/taiaskswhy
20 May 2023Wildfires, a warming planet, and the fiery Alberta election00:54:12
Alberta is in the hot seat with raging wildfires and a heated campaign. We trace the climate connections with voters and CBC meteorologist, Christy Climenhaga. At the other end of the thermostat, researchers race against warming to preserve archives of glacial ice in the Svalbard Archipelago. Gordon Neighbourhood House builds community in the face of heat extremes. Ashlee Cunsolo serves up wisdom about coping with ecological grief. And climate hero Jeremy Dias works to make his charity climate-friendly.
10 Sep 2022Who pays for the cost of climate catastrophe in Pakistan?00:54:11
This week, we ask what role Canada needs to play in providing aid to Pakistan as it confronts an ongoing climate hazard. And, a documentary about how the world helped mend the ozone layer, and what lessons it holds for today's climate crisis.
24 Jun 2023Protests, jail and hospital: one activist’s journey through climate anxiety00:54:10
Driven by fear of climate change, Emily Kelsall got involved in extreme forms of activism. But the 25-year-old has come through a mental health crisis and now has a new approach to climate action. And we hear from two people who have studied the issue for a broader look at the mental health impacts of our warming planet. Then, we answer a listener’s questions about whether it’s possible to hop aboard a cargo ship for your summer vacation – and whether it’s a less carbon intensive way to travel than flying.
25 Feb 2023Ice skating into a changing climate00:54:17
Climate-proofing the joy of a winter skate. A climate-themed drag show thwarted by melting ice. Clearing the air with an electric ice resurfacer. And homes get a winter makeover with some pocket change.
12 Nov 2022Fossil fuels in the hot seat at COP2700:54:10
With UN negotiations underway in Egypt, the call continues to phase out fossil fuels. Former environment minister Catherine McKenna gives us a reality check on net zero pledges. A listener shares her memories of a beloved mountain park. And, one year after an atmospheric river hit B.C., we check in on recovery.
30 Oct 2024The contest trying to turn Swifties into climate crusaders00:31:19

When some climate-conscious Swifties learned that Canada’s biggest fossil fuel financier, RBC, is an official partner for Taylor Swift’s Eras tour in Vancouver and Toronto, they jumped into action. But can uniting Swifties online translate to change? Or is it a trend that will fizzle over time? Meanwhile, What On Earth youth columnist Aishwarya Puttur breaks down why social media campaigns are on the rise for Gen Zs.

10 Dec 2022Can a 'peace pact' with nature emerge from Montreal?00:54:20
What's at stake for our planet as international delegates descend on the UN Biodiversity Conference in Canada. Why Indigenous-led conservation is key to Canada meeting its targets. And, getting into the minds of bees.
26 Oct 2024Here’s the climate dirt on leaf blowers00:27:21

They can be noisy. And smelly. And, as Cate Blanchett (yes, Cate Blanchett!) complains, don’t they just move “leaves from one place to another, only for them to be blown back again"? Gas-powered leaf blowers create a lot of opinions and a lot of emissions. Molly Segal takes us through why they're so particularly polluting and unhealthy. And, she explores the solutions underway — from political bans to incentives for switching to electric.

27 Apr 2024Coke or Pepsi? Revealing the biggest plastic polluters00:22:55

Yep, we’re naming names! We meet a researcher who combed through millions of pieces of plastic trash and traced half of the branded items back to just 56 companies. We hear the case for why manufacturers should be responsible for their plastic products and how addressing this can help lower CO2 emissions to tackle the climate crisis. And – we dish the dirt on cleaning your plates, cutlery and more after a listener wrote in to ask: is the dishwasher or washing by hand better for the planet?

02 Sep 2023‘This isn’t sexy forestry’: how to protect forests from fire00:43:21
As Canada continues to grapple with a record breaking wildfire season, some say it's a wake-up call to rethink our relationship with forests. For years, the logging industry has been built to maximize profits, rather than maximize wildfire resilience. What On Earth's Zoë Yunker introduces us to two B.C. communities doing things differently. And – cooking jerk shrimp without the smoke. Story producer Dannielle Piper tells us why a group is building cleaner-burning stoves in Nicaragua. Bonus, Dannielle teaches Laura how to make traditional Jamaican jerk shrimp!
24 Dec 2020The top not-entirely-depressing climate reads of 202000:36:39
Katharine Hayhoe, Severn Cullis-Suzuki, and Sophia Mathur share their climate book picks for 2020 and we hear from authors Leah Stokes, Seth Klein and Jamie Bastedo.
03 Jun 2023Finding cooling solutions during India’s scorching heat00:54:11
As India’s extreme heat threatens lives, CBC’s Salimah Shivji shares solutions for cooling. John Vaillant warns of the frightening reality of 21st century wildfire. CBC’s Emily Chung introduces us to Ontarians experiencing the joys of affordable eco-friendly housing. Listeners are abuzz with questions about pollinator gardens. And an 11-year-old climate hero making a difference one lemonade stand at a time.
06 Apr 2024Can scooping orca poop help us save the whales?00:31:47

It’s like “CSI in the ocean,” only these scientists are racing against climate change off the coast of B.C. Next, a satirical spin on climate action with Canadian oil producers the brunt of the joke. Then, we head to Saskatchewan where drought is sparking debate over the waters in one lake.

18 Nov 2023It takes a village to cope with climate anxiety00:26:41
Angry? Frustrated? Hopeful? However you feel, connecting with others can spark action. What On Earth’s new mental health columnist, Abhay Singh Sachal, shares tips to help you thrive. And – getting ready to snag some deals this Black Friday? Find out how the way you fill your online cart can make a difference for the planet and when going to a store IRL is the greener choice.
13 Nov 2020How the Biden administration could influence Canada's climate agenda00:29:45
President-elect Joe Biden's win means a United States that again plans to act on climate science — a huge shift from the past four years under Trump. Experts anticipate far-reaching impacts: to policy, innovation, and pressure on Canada to ‘step up.’
26 Feb 2021'Green is not white': Racial justice and the climate fight00:39:25
Looking back at Black history month and ahead to a bill to address environmental racism, we examine the connections between racism and climate change. We hear from Black academics, environmentalists and a labour leader about an inclusive green transition.
05 Aug 2023Sneaking climate action into your summer block party00:43:31
How can you talk to your neighbours about climate change and work on solutions together? We hear about a UBC program training people across the country to do just that. And we meet a few of them as they plot to plant “plainclothes environmentalists” at their next community gathering. Then we go back in time to the oil shocks of the 1970s and 1980s for clean energy lessons that have new relevance today. And we meet a community of people making home retrofits a neighbourhood effort.
18 Jul 2024How to keep farm work cool when the greenhouse hits 46 C00:24:51

When Eli Milton started working on farms in Nova Scotia almost a decade ago, heat wasn’t an issue in the summer. Now, hot and humid conditions are just one of the climate impacts farm workers like her contend with. And – extreme weather has put safety and livelihoods at risk for migrant workers, from out in the fields to inside greenhouses. We hear from an advocate on what policies could improve conditions for seasonal workers.

09 Dec 2023‘An oil tanker-sized loophole’ at the UN climate talks00:26:03
We dive into this year’s hot topic at COP: the f-words (fossil fuels). From Alberta’s case for its oil and gas industry, to the controversial words of the COP28 president, along with a decades-old industry “playbook.” And a bonus! An emissions cap you can wear.
16 Jul 2021Goodbye 'normal': How summer in Canada is changing00:33:25
Flooding, extreme heat, drought, wildfires: summer 2021 has seen a lot of extremes. It's a sign of how 'normal' is changing in a warming world. This week, we talk about the damage that causes and how to turn climate dread into action.
11 Jun 2022'Scene of the crime' - how to protect sea life from searing heat00:54:11
climate change, carbon negative, net zero, heat dome, heat wave, West Coast, Sea, Ocean, BC, marine ecology, sea life, marine protected areas, Chris Harley, zoology, University of British Columbia, Washington State, Russia, Ukraine, Finland, Kati Kulovesi, University of Eastern Finland, Edward Burtynsky, art, photography, Canadian artist, In the Wake of Progress
02 Oct 2024Why two women want the world to see their climate ‘relics’00:22:00

A stuffed dalmatian. An album of precious photos. A scorched doorknob. These are some of the personal items on display recently at Climate Week NYC. Meghan Fandrich and Diana Boston travelled to New York City from Lytton and Merritt, B.C., to share these remnants of the fire and flood that devastated their communities. They tell us why they hope the exhibit can make climate disaster tangible, and lead to change.

14 Aug 2020Is regenerative farming hope for a hotter planet?00:26:50
Extreme weather and warmer temperatures put farmers on the front lines of climate change. Now some farmers are turning to regenerative farming to fight back. We get all the details and ask if it’s enough to help stop climate change?
08 Nov 2023They spoke out against fossil fuels. Then came the backlash.00:27:39
From “packs of wolves” spreading disinformation online, to death threats, these women have paid a high cost for their climate advocacy work. As a family physician, Dr. Melissa Lem knew she could not stay silent on the dangers of climate change once she started to learn more. Climate advocate Tzeporah Berman waded into Alberta politics and got more than she bargained for. When Judy Wilson, former chief of the Neskonlith Indian Band, spoke out about a pipeline expansion, she says she started noticing strange things.
25 Nov 2023‘Bury me naked’00:26:03
If you don’t want your carbon footprint following you to the grave, green burials are a growing option. We take a trip from coast to coast to discover what exactly they are and how you can arrange one.
27 Jul 2024A wildfire in Jasper and fears of an overheated Olympics00:27:54

As the fires rage on in Jasper National Park, we check in on a former firefighter about the battle beyond the flames. Meanwhile, Olympic organizers may have had green dreams for the 2024 Paris Games. But will those dreams melt away under the threat of extreme heat? Journalist and New York Times bestselling author, Jeff Goodell, says it’s a pivotal moment as the city adapts to a warming planet.

28 Sep 2024Say we 'axe the tax' — then what?00:29:48

Fair warning in the age of three word slogans: today we're talking about the complex policies behind the politics. If ever there was a time to dive deep into climate plans — it's now. Simon Donner, co-chair of the independent Net Zero Advisory Body, walks us through new ways Canada could cut emissions. Then the CBC’s Aaron Wherry breaks down the politics of a cornerstone climate policy. How did the carbon tax get so politicized?

12 Feb 2021A cascade of hazards00:28:55
As the rescue and recovery in Uttarakhand, India unfolds, scientists are asking if climate change was the cause. This week, we explore the cascading climate impacts of glaciers, and what can be done to keep people safe.
05 Aug 2022ENCORE: Lessons learned from COP2600:54:13
As we countdown to COP27 in Egypt, we look back at last year's conference, where it fell short and why trust is an important part of climate negotiations.
19 Aug 2022ENCORE: For the love of swamps and for the sake of cities00:54:10
Mired. Bogged down. Swamped. You might not hold wetlands in high esteem, but many say they're worth protecting in the name of climate change. And, we hear the case for giving cities more money and power as they find themselves on the frontlines of global warming.
13 Nov 2024HOW TO: Get kids to school without all those cars00:16:28

Have you heard of a 'bike bus'? It's just one of the answers Rachel Sanders found to a listener's concerns about the gridlock that can form around schools.

27 Aug 2021Is this Canada's climate election?00:30:28
Climate-concerned Canadians are sizing up candidates and platforms. We hear from voters and researchers about the role climate change might play, both in their choices and in just how the election itself is conducted.
22 Oct 2022The path to preparing one of Canada's beloved parks for climate change00:54:13
How the rebuilding of a B.C. trail could be a blueprint to help parks better withstand climate disaster. 'Bridging, braiding and weaving' Indigenous science into environmental policy. Two Canadian TikTok creators bring smart, funny climate messages to Gen Z. And, does logging in Canada generate emissions as high as the oil sands?
16 Apr 2021Why climate change may put your investments at risk00:36:01
From net-zero pledges to sustainable portfolios, it appears the finance industry is acting on climate change. But Canadian pensions and other funds are still heavily invested in fossil fuels. We look at how our money can be part of the solution.
05 Feb 2021What an Alberta controversy tells us about climate disinformation00:35:32
A public inquiry in Alberta into alleged foreign-funded anti-energy campaigns commissioned a pair of studies critics call “textbook climate denial.” We look at why this persists in Canada, and how to go beyond debunked arguments against climate science.
09 Nov 2024So Trump won. What now for climate?00:26:56

He's promised to "drill, baby, drill". He's cast doubt on the risks of global warming. And one of his biggest donors is EV magnate Elon Musk. But what does a second Donald Trump presidency really mean for U.S. climate policy – and our warming world? Emily Atkin of the newsletter Heated helps us untangle what's possible over the next four years, and reflects on why climate barely surfaced as an election issue.

16 Oct 2024HOW TO: Read a little greener00:10:01

Is there a climate cost to your reading habit? A listener asks about the emissions of paper books versus e-readers, and we go looking for answers.

04 Feb 2023Gaps in weather forecasts pose health and safety risks for northern communities00:54:12
People in the north say they need better weather data to help them stay safe as the climate changes. Augy Jones is fighting environmental racism in Nova Scotia, using the lessons he learned from his parents in the civil rights era. And Canada's independent net zero panel delivers a list of climate actions Canada needs to take.
05 Jun 2024HOW TO: Help birds when it’s smoky outside00:09:00

A listener got in touch wondering what she can do to help the birds in her garden when wildfire smoke is choking her neighbourhood. We share advice from Birds Canada and check in with American researchers who are searching for answers about how fire and smoke affect our feathered friends.

08 Jul 2023Meet the people fighting for habitat superhighways in Quebec00:54:11
Whether urban or rural, green corridors can be crucial as the climate warms. We explore La Falaise Saint-Jacques in Montreal, and a biodiversity reserve in the territory of the Innu Essipit First Nation to find out why. Older adults are one of the groups at risk from extreme heat – we bring you a guide to staying safe. We hop aboard Canada’s first hydrogen-powered passenger train. And we drop by the studio of a Métis artist advocating for sustainable fashion.
28 Jan 2023Sleuthing for greenhouse gases at grocery stores00:52:02
Food prices going up? So are greenhouse gases from those grocery store fridges! And just one look at exotic foods got Tamara Lindeman penning new climate songs. A brewing battle over deep sea mining. And the Canadian ties to Somalian drought.
23 Dec 2023Stories that surprised, delighted and fired you up this year00:54:14
Missed some of our climate coverage in 2023? No need to have FOMO – we’ve got you covered with some of our favourite places, people and the tales they tell. Start with a journey to Germany’s coal region for lessons Canada can learn about energy transition. Take a trip on a cargo ship…for the sake of the climate (yes, seriously). Then, join us on a boat ride tracking biodiversity in North America’s southernmost fjord. And we wrap up in the classroom to learn why two university professors are trying to make climate change a mandatory part of learning.
09 Jul 2022Climate hope remains in the U.S despite a Supreme Court ruling00:54:11
The climate fallout of a U.S. Supreme Court ruling diminishing EPA powers. Farmers fighting for climate policy. We check in with three CBC meteorologists with an eye on climate.
29 Nov 2023A climate conference begins in oil country00:28:21
People from around the world are heading to Dubai to set a course for the planet. With record-breaking temperatures and wild weather, the stakes are higher than ever. But with an oil executive at the helm of the talks, can countries work together to deliver on promises of emissions reductions?
24 Feb 2024A girl’s death, and her mom’s fight for clean air00:54:15

Rosamund Adoo-Kissi-Debrah doesn’t want any other kids to die the way Ella did. The 9-year-old suffered a fatal asthma attack, which has since been linked to air pollution from her neighbourhood in London. Now, her mom is suing the U.K. government and taking her campaign global. And – Alberta has declared an early start to wildfire season, even as so-called zombie fires continue to burn underground. Next, as climate change shifts from abstract threat to lived reality for many Canadians, columnist Abhay Singh Sachal says our mental health system needs to adapt to support people after disasters. Plus, a drag queen ice skating show about climate change is derailed by warm weather.

01 May 2024Why this Black queer activist is fighting for climate, too00:26:26

Climate change may be last on your mind when you're dealing with discrimination, insecure housing and other barriers. But marginalized communities are hit harder than most by the impacts of climate change. Our columnist Chúk Odenigbo and activist Shelly-Ann Skinner walk us through how to meet Black, queer folks where they're at in order to include them in climate justice work. Then, we hear from an Ontario woman who's being recognized for her fight against climate change – and city hall – one lawn sign at a time.

25 May 2024The kids want a say00:26:40

Could letting young people vote be a climate game changer? We hear from Vancouver teens on whether or not they think they’re ready to vote and whether climate would shape their choice at the ballot box. Then, a Canadian senator and a 17-year-old student share why they’re fighting for a proposed bill making its way through parliament.

20 Dec 2023Yes, you can chat about climate change and not be a buzzkill00:24:51
‘Tis the season – well it’s always the season – to talk about climate. We’ve got tips on how to have a good conversation about our warming world around the holiday dinner table. Plus a new kind of annual Christmas letter featuring a family making a difference. And you can share the gift of a new zine packed with advice about coping with climate crises - one that fits into your back pocket.
08 Jun 2024How to save summer fun00:25:45

People are switching up plans to avoid fire, smoke and heat. And that includes festival organizers, powwow planners and camp directors. We get advice on navigating our changing summers.

31 Jul 2020Zombie fires and the problem with peat00:35:15
Siberia is on fire, and what’s burning is peat. Scientists used to think the wet bogs of peatland wouldn’t burn, but as our climate warms and they dry out, peatland fires are causing big climate and health problems. What can we do to save them?
15 Jul 2023Why Indigenous-led evacuations are safer for communities00:37:25
Mentoring Indigenous youth to lead during climate emergencies. Getting squirrely in the forest with a kids’ nature camp. Fireproofing California homes using bricks made from dirt. And: meet a man who built a tractor powered by the sun.
19 Feb 2021Disappearing ice roads00:30:25
For many northern communities, ice roads are essential for accessing things like food and fuel. But climate change is causing them to be less reliable, and often unsafe. This week, we explore the impact and solutions.
14 Sep 2024Can an image of frozen penguin chicks spark climate action?00:29:15

Conservation photographer Neil Ever Osborne was on a dream expedition to see emperor penguins in Antarctica, but the images he brought back are haunting. Now, in a new exhibit in Toronto, Neil says he's trying to "put these images to work" for the planet. Meanwhile in Vancouver, three choreographers aim to express their inexpressible frustration about climate change… through dance.

11 Jun 2021How a real-time online collaboration found the cause of a deadly flood00:27:10
New research links a deadly disaster in the Indian Himalayas to an avalanche of rock and ice. We hear about the new findings, revisit voices on the ground, and ask what can be learned from this as the climate warms.
29 Jul 2022ENCORE: Literature for life in a changing climate00:54:11
Looking for some summer reads to beat the heat? Climate literature is here to help. Kids' books support parents with the “climate talk” and adult fiction explores fear, hope and community resilience.
15 May 2024Can the law of the sea save island states from rising water?00:27:10

Soon, a little-known international tribunal will release a precedent setting decision that could force developed nations to do more to protect small island states from the ravages of climate change. A Canadian lawyer represented those tiny countries at the International Tribunal for the Law of the Sea. He shares what’s at stake, along with another member of the legal team - Naima Te Maile Fefita of Tuvalu. Then our listeners get into a lather about the dishes. Hand wash or dishwasher?

15 Apr 2023Not all climate heroes wear capes00:54:11
You nominated the local heroes taking climate action in your communities. This week, we meet a few of them! They're saving wetlands, writing songs, supporting Indigenous clean energy projects, helping homeowners electrify, speaking out for old growth forests and more.
24 Jul 2020Nature on the move00:26:47
Move, adapt or face extinction: a warming climate means thousands of plants and animals are already shifting where they live. We talk about changes happening now in Canada, and what to do about it — including protecting the “slow lanes” of climate change.
28 Oct 2023‘Climate unites us’: hopes for peace in the Middle East00:27:52
As the Israel-Hamas war intensifies, we hear the case for working together on climate change to help build bridges. In July 2023, Carter Vigh died of an asthma attack which his parents say was made worse by wildfire smoke. Now, a project in his name hopes to get air quality monitors in communities around B.C.
11 Sep 2021Where the parties stand on climate change00:50:17
Description: The major parties have made their pledges for climate action. Host Laura Lynch speaks with candidates to discuss their platforms and what it means for Canada's plan to reduce emissions.
19 Jun 2024The lake that keeps trying to come back00:33:36

What is nature saying when a lake drained a century ago keeps flooding farmland? First Nations leaders say the message is to make room for the water. Then, why the story of Sumas Lake is just one example of how Indigenous connections to the land must inform climate action.

05 Mar 2021Up in the air: can air travel go green?00:27:10
Emissions from air travel are expected to skyrocket in the coming years. With the industry hoping for a post-pandemic rebound we take a look at some emerging solutions.
21 Jan 2023How scientists are unlocking the mysteries of ocean carbon00:54:13
Casting off the coast of Newfoundland where researchers are using underwater drones to gather data on ocean carbon, as the call comes for international cooperation on ocean monitoring. And a new book details why a just transition needs to include more than just oil and gas workers.
19 Aug 2023A climate research hub in the North rises from the ashes00:43:04
The Liidlii Kue First Nation breathes new life into Scotty Creek Research station, after a brutal wildfire decimated it last fall. Now, this climate research hub is jumping on a new opportunity to rebuild and take stock of data from before and after the fire to help tell the story of a rapidly changing North. Reporter Liny Lamberink visits this world-class climate research station in N.W.T. to explore the damage and survey the progress against the backdrop of a relentless season of wildfires. Alberta presses pause on renewable energy projects in a move one law professor calls “undemocratic.”
06 Nov 2024The unsexiest words that could help save the planet00:28:07

The language of COP29 is brain-melting. But these soul-unstirring terms are key to solving climate change. We decode what's really at stake as leaders gather this month in Azerbaijan. Then, we hear how corruption can derail international climate action – and what solutions could help.

13 Sep 2020Why Canada's glaciers are becoming 'endangered species'00:37:14
Melting glaciers are a marker of our warming planet. Beyond the melt, what are the impacts? Flooding might come to mind, but power, water supply, or salmon habitat? We hear from people affected, and ask if Canada’s reducing emissions fast enough?
19 Apr 2024New to What On Earth? Start here!00:01:56

The climate is changing. So are we. Twice a week we take you across Canada and around the world, in search of climate solutions.


We love to hear from our listeners and regularly feature them on the show. Have a question? Email Earth@cbc.ca

14 May 2022How cracking open a climate story helps kids cope00:54:12
New climate change books for kids help them cope with scary emotions and turn anxiety into action. Hope for the return of the wolverine in Labrador. And is climate change a ballot box issue for Ontario voters?
30 Jul 2021The slow-creeping disaster of drought00:33:32
From stunted wheat fields to raging wildfires, drought has spread across much of Western Canada and the U.S. We get the forecast on the changing water cycle and hear how science and Indigenous knowledge can help us adapt.
27 Nov 2020Mining for heat – can geothermal be part of Canada's energy future?00:27:09
There is huge potential in Canada to harness heat from deep below the ground for electricity. So why are there only a handful of projects breaking ground? We take a look at the promise of renewable geothermal power and the barriers to getting there.
20 Nov 2022The human cost of climate change in the Caribbean. And, Oslo's game changing emissions solution.00:54:10
What On Earth's Dannielle Piper reveals connections to the Caribbean to show what's at stake for those communities. Edmonton, Oslo and carbon budgets. And, two artists connect with their culture to take climate action.
22 May 2024Should tourists cough up for climate? ‘Hell yeah!’00:26:20

In Alaska and Barcelona, money from visitors is paying for heat pumps. What do we owe to the places we go on vacation? We hear how travellers can contribute to climate solutions. And, we answer a listener’s question about whether our beloved maple syrup will disappear in a warming world.

18 Dec 2020A year-end interview with Canada's climate minister00:27:10
From lessons learned during the pandemic to his hope to hit net-zero emissions, plus some news he didn't expect to break – Jonathan Wilkinson joins us for a feature interview.
07 Nov 2021Why decolonizing COP can help keep 1.5 alive00:34:07
Negotiations continue at COP26 and Indigenous leaders are in Glasgow for the talks, even though they don't have seats at the bargaining table. Hear why some believe it’s a waste of time to try to be heard, while others argue it’s essential.
13 Nov 2021How COP26 put public health in the spotlight00:28:32
In Glasgow, doctors, students and activists from around the world gathered to make the case: climate change is a health crisis. With Canada signing a pledge to decarbonize health care, this week a look at how the system itself can be part of the solution.
09 Jul 2021After the flood: How High River recovered after climate disaster struck00:31:45
Extreme weather is usually treated as a physical problem. But eight years after historic flooding in High River, Alta., the town’s recovery shows the long toll climate disasters can have on mental health — and offers lessons for how to help.
10 Dec 2021ENCORE: The climate cost of consumerism00:27:10
As Canadian gear up for the holidays, we look at what's changed when it comes to what we buy. And we find out if re-imagining our relationship to our stuff could help fight climate change.
23 Oct 2020If the future of driving is electric, how do we get there?00:34:15
Enthusiasm for electric vehicles is rising in Canada — as are sales — but there’s a huge gap between today’s reality and Ottawa’s goal for zero-emission vehicles by 2040. We’ll hear what’s holding back would-be EV drivers, and what needs to change.
24 Jan 2022Cooking without gas: why cities are cutting methane from homes00:30:07
Some municipalities are taking natural gas out of buildings in a shift to a greener future. Laura Lynch checks in on two towns on either side of Lake Ontario, both leading the way.
02 Oct 2020The Arctic could soon be ice-free in the summer. Can geoengineering help?00:27:09
This summer, Arctic sea ice hit a near-record low, second only to 2012 as the biggest melt on record. By 2050, many project an ice-free summer Arctic; the Earth’s white cap would be gone. We look at a bold proposal to save ice with technology — and plans to protect what’s left.
01 Nov 2023Let’s talk about all your broken stuff00:25:31
If it’s broke, who fixes it? “Right to repair” laws say companies should be held responsible for making better products. And – we visit a repair cafe and get some practical advice on how to make your appliances last longer.
02 Apr 2022Life on the edge00:27:09
Nova Scotians are watching the coast vanish before their eyes, due to rising sea levels and stronger storms. Guest host Portia Clark looks at the problem of coastal erosion, and the solutions underway to protect the shoreline.
06 Nov 2020How climate change has put nuclear energy back on the table00:38:25
Canada’s resource minister says there’s no path to net-zero without more nuclear development, and the push is on to develop small modular reactors. But uncertainties remain — and experts disagree whether they’re the climate solution we need.
22 Oct 2021ENCORE: Canada's climate strategy has an oil and gas problem00:27:29
As Canada strengthens its Paris Agreement targets, critics point to the elephant in the room — oil and gas expansion. We revisit an earlier episode and hear why Canada has 'one eye shut' when it comes to climate policy and what might be a first step toward a solution.
20 Jul 2024Awkward! How to have that cringe convo about climate00:27:48

Come along to “La Chicanerie” – or The Conflict Cafe – in Montreal where What On Earth guest host Falen Johnson finds out why we need to get comfortable with uncomfortable discussions about climate change. And climate scientist Katharine Hayhoe shares some of her most awkward climate conversations and offers advice on how to talk to people in ways that lead to collaboration instead of division.

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