What On Earth

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?

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.

An Indigenous-owned company in Ontario is making sure evacuations are culturally appropriate, including supporting people to seek refuge on their traplines instead of hotels. Then we ask Canada’s Indigenous Services Minister how Ottawa can make climate emergencies less traumatic for Indigenous communities, and why members of the Peguis First Nation remain displaced two years after a major flood.

Come underground to glimpse new technology providing low carbon heating and cooling to downtown Toronto buildings. CBC climate reporter Emily Chung is our guide – to see this first of its kind project in Canada. Proponents say it's key to cutting emissions from buildings around the country.

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.

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?

Their eco-anxiety is real, and they're helping each other with it even as adults play it down. We hear from two high schoolers in New Brunswick who are finding ways to cope — and even educating the willing grownups in their lives. And our mental health columnist Abhay Singh Sachal is worried about gaps he sees in modern psychology education. If tomorrow's therapists aren't climate aware, they risk "dismissing or downplaying" a key concern for their youngest clients. Plus, listeners weigh in on ways to reuse old clothes and linens — from creating a Dolly Parton-style bedsheet to Schitt's Creek dolls.

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.

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

Scientists are editing the DNA of canola, and more, to survive with less rain. Can this help farmers adapt to climate change? And – if you’re stressed about the climate cost of the clothes and linens that have reached the end of their life, we have the scoop on what to do with those old jeans and torn bed sheets.

Join us on a hunt to discover the lost waterways hidden below the streets of Montreal, Toronto and Vancouver, and find out how bringing creeks and rivers back to the surface can help our cities adapt to a changing world.

This episode from June 2023 just won the Mindset Award for reporting on the mental health of young people. Driven by fear of climate change, Emily Kelsall got involved in extreme forms of activism including arrest and jail. The 25-year-old has also come through a mental health crisis that landed her in hospital. It's all brought her a new perspective on climate action. Then, we hear from two people researching the connection between activism, mental health and our warming world.

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.

Join us on a climate-solutions field trip! First, we head to the beach to find out how Indigenous knowledge and western science are working to keep clams cool in extreme heat. Next, we hear why your backyard – or patio – can be abuzz with biodiversity by simply making some simple swaps. (Spoiler alert: It’s time to weed out the dandelions.) Then, we head out to the coast of Vancouver Island and wade through estuaries to understand how scientists and First Nations are sussing out where baby salmon will want to live in a climate-changed future.

Better transit service could help lower Canada’s emissions. But can more people get on board with buses, trains and subways? Experts and advocates explain how to use policy changes and behaviour “nudges” to make it happen. And listeners share stories about great public transportation, from Singapore to Tampa Bay. Then, we hear why there’s “blood in the water” as Canada’s carbon tax approaches its annual increase. Plus: some advice on how to share feelings about climate change in a way that helps you cope rather than crumble.

Glaciers are retreating rapidly in Canada’s Rockies, bringing hazards to long-standing alpine routes. We visit Banff National Park to meet guides who are adapting to climate change in different ways. Then – we head to India, where for weeks farmers from the northern part of the country have been protesting in the streets, demanding changes that could help them fare better in a warming world. Next – like many new university students, our youth climate action columnist Aishwarya Puttur is learning to cook for herself. It has her reflecting on her family's own history of farming in India, and on the links between food, farming and sustainability.

Spoiler alert: the Barbie movie is not about climate change. But it passes the "climate change reality check." We hear why Good Energy developed a climate test for films and find out which two other Oscar-nominated flicks are also winners in this category. Next, a former NASA scientist tells us why a satellite launched into space to detect global methane emissions is a huge deal for the climate. And – Italy's government has just approved an ingredient that could be better for the environment, but not everyone's keen on cricket pizza. Find out how one Quebec lender's decision not to offer mortgages in some high-risk flood zones is sparking calls for Ottawa to protect homeowners in climate-vulnerable places. Finally, we look for answers to your questions about hybrid cars.

What to do about a world that’s on fire all the time? Texas is facing the biggest wildfire in state history, Alberta has declared the start of wildfire season earlier than usual, and zombie fires are burning in B.C. John Vaillant has written about a future where "fire weather" is the only weather in a warming world; he says Canada needs to prepare. Then, we hear how Metis citizens and firefighters in Alberta are getting their communities and the forests ready for what this year’s season could bring.

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.

It all started in Japan, now it’s a worldwide craze. Trees planted at industrial sites by botanist Akira Miyawaki in the 1970s were a way to resist deforestation. Today, community groups around the world have joined the tiny forest movement as a way to store carbon in pockets of cities. Then, we hunt for winter across Canada, and find out how a lack of snow and ice are affecting everything from ice fishing to the Ontario Winter Games. The co-creator of Black Climate Week shares how a stark realization sparked a campaign to build a more inclusive environmental movement. We head to the hardware store to answer a listener’s question about the most climate-friendly light fixtures. And, American climate scientist Peter Kalmus reflects on his high-profile protest outside a bank in 2022 and the role of civil disobedience as a climate solution.