What On Earth - podcast cover

What On Earth

The climate is changing. So are we. Explore a world of solutions with host Laura Lynch and our team of journalists. We find inspiration in unexpected places, scrutinize new technologies, hold powerful people accountable and join you on the journey to fix this mess. New episodes every Wednesday and Saturday.

Last refreshed:
Follow this podcast in the Metacast mobile app to refresh it and see new episodes.
Download Metacast podcast app
Podcasts are better in Metacast mobile app
Don't just listen to podcasts. Learn from them with transcripts, summaries, and chapters for every episode. Skim, search, and bookmark insights. Learn more

Episodes

Tasty, climate-friendly food that kids will make (and eat)

Kids and veggies don’t always go hand in hand, but this after-school workshop is introducing plant-based cooking to children as a climate solution. It’s called EcoCooks. Producer Nick Logan stopped by a session to meet the kids 9-12 who are learning to make, and appreciate, tasty, vegetable-forward food that also cuts emissions. Then, we learn about other community efforts across Canada to put more veggies in the spotlight and onto plates.

Mar 26, 202528 min

Set sail with Canada to unlock climate clues in Antarctica

Peace and neutrality offer the best chance for future climate research in Antarctica. That’s what CBC’s international climate correspondent Susan Ormiston learned aboard HMCS Margaret Brooke – a Canadian naval ship carrying 15 Canadian scientists to the South Pole to learn about the southern ocean’s capacity to continue regulating Earth’s climate. Their research is taking place as growing geopolitical tensions threaten to upset the Antarctic Treaty and hamper future conservation efforts on the c...

Mar 22, 202525 min

Move over Peace Corps, meet Climate Corps. Enlist now!

It might not sound like a climate job, but mechanical insulators help make buildings more energy efficient. We head out to meet a young woman who trained in the trade through a program set up by the Youth Climate Corps BC. The group is training young people around British Columbia for a wide variety of good, green jobs and hopes to expand across the country.

Mar 19, 202522 min

Trump is slashing more jobs at NOAA. What could go wrong?

Fired climate scientist Tom Di Liberto says lives are at risk from extreme weather as more cuts loom over the U.S. government agency responsible for forecasting and much more. Di Liberto lost his job as part of a massive purge by the Trump administration, and worries the layoffs will not only cost the U.S. more money, but will cripple weather forecasting across the continent, leaving many people vulnerable to natural hazards.

Mar 15, 202525 min

Why a CO2 leak in Mississippi holds lessons for Canada

Canada's oil and gas companies are hoping carbon capture and storage will be a big part of the country’s net zero plans. But shipping CO2 through pipelines to storage facilities can come with risks. We go to rural Mississippi to hear about a rare carbon dioxide pipeline breach that was nearly deadly – and find out what Canada can learn from the incident.

Mar 12, 202528 min

Eco-thugs be warned! You could be charged with ecocide

There’s a push to see those responsible for intentional destruction of the environment tried in the International Criminal Court, just like war criminals. Three small island nations have proposed making ecocide a crime like genocide and crimes against humanity. But what would that take – and is there a better way to hold people to account for harming the planet and our climate?

Mar 08, 202526 min

From farm to table, extreme weather hits your grocery bill

With a looming trade war, local fruits and vegetables are attractive. But at what price? Some consumers are suddenly seeing prices skyrocket. Fruit and vegetable farmers are struggling with climate linked extreme weather events. That’s wrecking harvests and driving up production costs all over the world. But customers can help.

Mar 05, 202518 min

Houston, we have a climate problem. Is Mars the answer?

A new space race may affect Earth’s climate. As rocket companies, owned by billionaires like Jeff Bezos and Elon Musk, drive the pursuit of energy resources in space, sustainability experts are scrambling to understand the carbon footprint of a quickly ramped up space industry. At the same time, they’re also considering the potential for climate solutions that may exist beyond our planet. It’s a quandary Scottish researcher Andrew Ross Wilson dubs ‘the space sustainability paradox.’

Mar 01, 202522 min

Hot to Go! Greenhouses are solving Canada’s climate puzzles

The climate solution that’s heating up across Canada has become an important part of food security and sovereignty. But many are powered by fossil fuels. The City of Fredericton has created a zero emissions greenhouse to grow saplings, and researchers at the University of Windsor are finding more sustainable ways to power them.

Feb 26, 202526 min

Giving her community joy — and tools to join climate action

People in social housing aren’t always included in conversations about climate solutions. That’s why Zamani Ra is finding ways to draw people from those communities into the environmental movement. The founder of the Toronto-based not-for-profit CEED Canada shares how workshops that start with recycling can make climate action relevant for all.

Feb 22, 202520 min

How to become an ‘apocalyptic optimist’ during scary times

Sociologist Dana Fisher says disasters like the Los Angeles wildfires and Hurricane Helene can spur community action in the face of the climate crisis. The author of Saving Ourselves: From Climate Shock to Climate Action says individuals coming up with solutions for resilient communities are what give her “apocalyptic optimism.” She shares how we can use the idea in our own personal fight against the climate crisis.

Feb 19, 202523 min

How the Yukon Quest is racing to adapt to climate change

Warmer winters and weird weather have forced organizers of this classic sled dog race to change the route to stay safe in rapidly changing conditions. CBC Whitehorse reporter Cali McTavish takes us to the Yukon Quest starting line in Teslin, where mushers, organizers and Indigenous community members talk about what the race means to them, and how climate change is having an impact.

Feb 15, 202521 min

HOW TO: do a ‘No Buy’ year for your wallet and the planet

Meet the people using TikTok to break up with shopping, and learn why they say affordability is propelling them toward more climate-friendly habits, as they take on the social media challenge of a 'No Buy' year. And author Aja Barber shares stories of her own shopping addiction, how she “saw the light” and what happens when a 'No Buy' year turns into a lifestyle.

Feb 12, 202528 min

Finding the climate sweet spot for new Canadian communities

Millions of new homes may help the housing crisis. But climate change means reconsidering just where all those new developments should go. Waterfront? Maybe not. Nestled up against the forest? Think again. How to build for our climate future. We hear why to build where and a New Brunswick real estate agent shares what clients need to know about buying and selling safely.

Feb 08, 202526 min

This one weird climate fix is like ‘burnt toast’

It helps farmers and protects against wildfire. “The world needs to know about biochar,” says one scientist. So, what the heck is this charcoal-like, carbon-storing material? We meet a man on Vancouver Island who’s spending his retirement years making it for his neighbours. Then, producer Rachel Sanders finds out what potential this climate solution holds, what the pitfalls may be and what the challenges are with scaling it up.

Feb 05, 202528 min

Why climate disasters are a perfect storm for disinformation

From hurricanes to wildfires, extreme weather whips up false and misleading information. When people are left vulnerable after a disaster strikes, they may be more susceptible to being misled about the cause of their strife. And that often means pointing fingers at anything but climate change. We’re delving into the murky world of misinformation and disinformation – and looking for ways to separate climate facts from fiction.

Feb 01, 202525 min

HOW TO: Get cheap eats, waste less and help the climate

What if we told you there’s a way to lower your food costs while also reducing emissions? Apps that connect shoppers with stores and restaurants selling edible food that would otherwise go to waste offer a climate solution that also makes daily life a little more affordable. We’re testing three popular apps to see how they may help combat the problem of food waste and the harmful greenhouse gas emissions it creates.

Jan 29, 202516 min

Insurance? What insurance? Climate changes that too

We used to take insurance for granted. Climate change is upending that. The L.A. wildfires have people talking about the future of home insurance in the face of more climate-charged disasters. We hear from a woman in Nova Scotia who worries about the future of her current home. And, Canada’s once stable insurance sector is facing uncertainty.

Jan 25, 202526 min

BONUS: Trump’s first moves on climate

Donald Trump wants more oil and less climate action. But can he really turn back the clean energy transition? CBC climate reporter Inayat Singh breaks down Trump's climate policy changes.

Jan 25, 202512 min

Meet the small towns taking big climate action

Rural Canada wants in on climate change solutions, but big city ideas don’t always work. A listener in Manitoba knows it takes a village, so he wants ideas tailored for smaller communities. Then we talk to people in three towns that are big on climate action and hear their lessons for others.

Jan 22, 202525 min

Country star Corb Lund won’t just ‘shut up and sing’ anymore

There are always a few comments on Instagram telling Corb Lund to ‘stick to music.’ But he finds himself, reluctantly, donning his activist cap. The reason? Water quality near his home in Southwest Alberta, which he says is threatened by coal development.

Jan 19, 202528 min

A recipe for climate adaptation? Try blue crab and couscous

Come along to Tunisia where climate change is forcing fishers to adapt their livelihoods. We hear how the warming waters of the Mediterranean Sea have meant an influx of invasive species and the loss of old ways of life. A Tunisian-Canadian scientist shares stories from a project that's helping communities organize into cooperatives and find new ways to survive.

Jan 15, 202521 min

Boom! There goes the emissions cap?

Some of Ottawa’s signature climate actions could disappear amidst all the political change ahead. We’ll hear what’s at risk – and why – after the Prime Minister’s decision to step aside. Then, what the fires in Los Angeles can teach Canadians about disasters, climate change and insuring their homes.

Jan 11, 202519 min

We need to have an honest chat about climate in 2025

Sometimes the truth hurts. And when it comes to fighting climate change, we have obstacles ahead – including the likely reality that global temperatures in 2024 will hit 1.5 C above pre-industrial levels. That’s even before Donald Trump’s return to the White House could bring a big shift in climate policies. But that doesn’t mean the fight is over. David Ho, a professor at the University of Hawaii, explains what the next goal should be and how we could get there.

Jan 08, 202518 min

How young people are gearing up for 2025’s climate fight

Will the International Court of Justice’s climate ruling be as influential as Beyoncé? Our youth columnist, Aishwarya Puttur thinks so. She joins guest host Michelle Eliot with her outlook for 2025. Then – story producer Dannielle Piper shares feedback from listeners who weighed in about tiny homes.

Jan 04, 202525 min

Start your year with the truth-telling turtle

Happy new year! We’re starting 2025 with a special gift from our friends at Unreserved, “Turtle’s Teachings of Truth” — the third episode in their ongoing Sacred Seven series — which invites us to slow down and consider the world from the perspective of our non-human relations. Today’s episode includes an Anishinaabe creation story, a Turtle clan grandmother’s wisdom, and a close look at a turtle protection program in Toronto. And if you're looking for a new calendar, take a closer look at a tur...

Jan 01, 202552 min

Wanna build your own tiny home? There’s a blueprint for that

Houses are getting bigger and so is their carbon footprint. Tiny homes may be the solution. That’s why a group of students has banded together to create one … along with a how-to guide anyone can use to build their own. Follow story producer Dannielle Piper as she learns how this self-sustaining tiny home can set the stage for other future builders.

Dec 28, 202424 min

A Climate Christmas Carol, ft. David Suzuki

Today, we’re bringing you a special gift from our friends at IDEAS, “David Suzuki's Survival Guide: A Retrospective.” We think you’ll very quickly understand why it made us think of the Charles Dickens classic, and our own past, present and planet yet-to-be. Listen to more IDEAS podcast episodes here: https://link.mgln.ai/yzu3fa

Dec 25, 202455 min

Wild weather, fierce fires. How climate extremes shaped 2024

Environment Canada's top 10 biggest weather stories of the year just dropped. And we got three CBC weather specialists to break it down for you. Learn what’s causing an increase in B.C.’s atmospheric rivers, how Jasper's summer inferno left its landscape changed forever, and why Central Canada bore the brunt of the 2024 hurricane season. Plus – extreme weather is part of the reason insurance costs are rising. What On Earth is on the hunt for solutions.

Dec 21, 202434 min

Why Alberta’s ‘Scrap the Cap’ ads don’t add up

They’re on billboards, front pages, TV… but do they pass the sniff test? We dig into the facts behind Alberta’s “Scrap the Cap” campaign. Then, heat and drought could be the Grinch that stole one of New Brunswick’s beloved Christmas tree species. CBC Fredericton journalist Danielle McCreadie shares some solutions farmers and industry are eyeing to climate-proof the balsam fir.

Dec 18, 202426 min
For the best experience, listen in Metacast app for iOS or Android