What On Earth

Since January 2025, it's cost about nine bucks USD to drive in downtown New York City during peak times. A year later, the Metropolitan Transportation Authority is heralding the policy as a success, with fewer cars downtown, a drop in pollution and even less honking. Alexa Sledge with Transportation Alternatives tells us about the policy's progress to date. Then – we check in with Mychal Johnson of South Bronx Unite about worries that his community may be facing unintended consequences as a result of the pricing.

Skier Marion Thénault wants Winter Olympic gold. She also wants a cooler planet. That means training hard but doing it in a way that cuts her own emissions. And calling on sports federations to do their part. We discover what else needs to change to ensure the winter games survive in a warming world – including keeping the competition to a select few cities – including Calgary.

As Hurricane Irma approached, doula Esther Louis helped a nine-months-pregnant client flee Florida to find safety in Georgia. At the time, she thought she was just being a “compassionate human being.” But that experience back in 2017 helped her recognize how people in her profession can help expectant families stay safe as the impacts of climate change accelerate. Esther tells us about a new program that's training other doulas to do just that. Then, we hear how the warming planet is posing a growing danger for newborns worldwide.

Resignations. Calls for a hiatus. The expert group tasked with helping Ottawa cut emissions faces an existential crisis. We hear from Catherine Abreu, who quit the Net Zero Advisory Body, because it wasn't consulted about the federal government's pipeline deal with Alberta. Meanwhile Michael Bernstein, one of the few remaining advisors, says the group can balance climate policy with political reality, but it needs a reset first.

Warming temperatures mean more rats. Is rodent birth control part of the solution? Join us on the streets of Manhattan, Chicago and Vancouver as producer Molly Segal meets the people trying to stop rats from overtaking our world.

If you're a frequent flier, you may have noticed flights have been getting bumpier lately. A potential culprit? Climate change. CBC producer Julia Pagel finds out how warming temperatures are making air turbulence worse, and what can be done about it. But first, she takes us back to 2019, when dozens of passengers were injured after an Air Canada flight bound for Australia hit severe turbulence and had to make an emergency landing.

Even as the world warms, oil attracts conflict. Just look to Venezuela and Donald Trump's moves to control the country's vast reserves. We delve into the history of "petro-imperialism” and ask whether a planet powered by renewables would be any more peaceful.

From the Best of What On Earth – in remote northern communities, diesel is king. But breakthrough solar energy projects are underway that could begin to reduce fossil fuel reliance. We're taking you to Nunavut where people are adding solar panels to small off-grid cabins and others are working on community-scale solar projects — so the diesel generators can finally be turned off and communities can hear silence once again, like their ancestors did.

From the Best of What On Earth – Come with us to California where entrepreneurs are sending balloons full of sulfur dioxide into the stratosphere. It's a form of solar geoengineering known as stratospheric aerosol injection, and the company Make Sunsets isn't waiting for scientific consensus before they launch. We hear about their business model, and then from the researchers who question both the science and ethics of the practice.

From the Best of What On Earth – Better transit service could help lower Canada's emissions. But can more people get on board with buses, trains and subways? We hear how policy changes and behaviour “nudges” can make it happen.

Power is pricey in the Yukon, and solar panels help some homeowners keep costs down. But two years ago, the government paused a program that allowed people to install solar on their roofs, use the electricity they generate and sell some of it back to the electrical grid. We find out what the roadblocks to renewables are in places like Whitehorse, and what the Yukon's struggle tells us about the challenges of transitioning to clean energy across the country.

In a year-end interview with the CBC's Rosemary Barton, the prime minister talks about why his plan for more pipelines will help the climate. He also gives his version of what happened behind the scenes when former minister Steven Guilbeaut quit cabinet over the new energy agreement with Alberta.

Why did Volkswagen employees keep mum about the Dieselgate emissions scandal? That's one of six crimes author Julia Shaw dives into in her latest book, Green Crime: Inside the minds of the people destroying the planet, and how to stop them. She asks, can environmental laws hold criminals accountable or do we need to get tougher?

They popularized, "OK, boomer" but when it comes to climate action, some Gen Z activists find they actually have much in common with their baby boomer counterparts. What On Earth columnist Aishwarya Puttur recently joined the Sue Big Oil campaign. While on the journey to get local governments to file lawsuits against big polluters, Aishwarya met fellow activist and retired journalist Erin Ellis. We get advice from both about overcoming generational stereotypes and uniting for change.

Ferocious fires, monster storms and epic floods. But there were some climate bright spots in 2025 as well. CBC meteorologists Johanna Wagstaffe and Ryan Snoddon break down the impacts of human-caused climate change and how it affected our weather this year. From the rapid intensification of hurricanes and typhoons to rivers and wells running dry in places not accustomed to drought, they explain how climate-charged extreme weather events are reshaping the world along with the way they talk about their forecasts.

Steven Guilbeault made room for compromise when he switched from climate activist to government minister. He was okay with that. Until Prime Minister Mark Carney signed an agreement with Alberta that Guilbeault says went too far. In a frank interview, the now ex-minister defends his choices and voices his concerns about Canada's climate future.

Electric tricycles. Wagons. Bumming rides. Canadians are going to great lengths to live without a car. Yes, even people who have a disability, live in a rural community, or are terrified of biking. Our car-free correspondent Emily Chung shares their stories and solutions.

Can Canada build another oil pipeline AND hit climate targets? PM Mark Carney says yes. But some see the new energy deal between Ottawa and Alberta as a climate pivot by the federal government. While Canada tries to be a climate leader and pump out more oil at the same time, at least two dozen other countries – including Colombia – are now getting serious about weaning off fossil fuels.

The term "carbon capture" is getting tossed around a lot by Canadian politicians these days. What's actually being talked about is carbon capture, utilization and storage or CCUS. The technology is promoted as a way to help Canada reach its climate goals, even as the country keeps exporting oil. So what exactly is it? How does it work? And does it actually help reduce fossil fuel emissions?

For Marsya Ancker, laying her father to rest in a mycelium casket was a choice that was true to his environmental values. We hear how the biodegradable Loop Living Cocoon, made of the root fibres of mushrooms and upcycled hemp, is better for the earth than traditional coffins. And, we explore other innovations in green burials for people who want more environmentally friendly end-of-life options.

A carbon capture project and a new pipeline may be on the horizon as Alberta gets closer to signing a memorandum of understanding, which Premier Danielle Smith calls a "grand bargain" with the federal government. Proponents tout carbon capture as a way to reduce emissions from oil sands production. But critics say the technology only enables the fossil fuel industry to expand.

Mother Nature is mad as hell. But they're also being played by the godfather of punk, so maybe that makes sense? In a new podcast, Iggy Pop takes an absurdist approach to get people to think about the climate. Is it weird? Sure. But the producers of Sweet Little Human hope its dark humour will appeal to people who might not want to hear about the subject.

There are protests and promises at this year's UN climate conference, which is in full swing now in Brazil's rainforest. Can the international spotlight lead to real change for the threatened ecosystem? We examine a new plan to pay countries for preserving tropical forests, and hear calls from Indigenous leaders and an advocate to scale back oil and gas development in the Amazon.

If Arnold Schwarzenegger tells you to fight climate change, are you going to listen? He has joined Pope Leo XIV and other religious leaders in challenging the faithful to demand their governments take substantive steps to “terminate” harmful emissions. A Canadian Cardinal who helped craft Vatican climate policy and a Muslim scholar who worked on an Islamic climate declaration, explain how religion should compel people to protect the planet.

Can Canada have it all when it comes to fighting climate change and fossil fuel extraction? That appears to be the goal in Prime Minister Mark Carney's first budget. But Climate Minister Julie Dabrusin says Canada still has cred in the fight to lower emissions, as she heads to the UN's climate conference in Brazil. Then, we hear what's at stake as the world gathers in the Amazon rainforest for COP30, and what climate leadership looks like in 2025.

When Rick and Lori Findlay decided to divest from fossil fuels, their advisor told them they couldn't get the returns they wanted. The Toronto-based couple wants their money choices to both reflect their values and ensure financial stability. Producer Molly Segal follows their story and gets tips on how to make your money work for you and the climate.

As Jamaica moves to rebuild after the storm, the world prepares to gather for its annual climate conference. And amid the stories of death and destruction, Caribbean nations are urging richer countries to help them adapt to climate change. We hear from climate leaders in the Caribbean about what Jamaica is doing to safeguard itself against hurricanes, and why more is needed from world leaders at COP30.

Wasted food has a climate cost bigger than the aviation industry. So how can we toss less – and feed hungry people at the same time? We meet someone who's made it a mission to eat everything she buys, including scraps you might not have ever considered saving for later. Then, we head out with a charity that collects leftover food from grocery stores and passes it along to people in need. And, we hear what's needed for Canada to meet its promise to cut food waste in half by 2030.

You might have heard that using a chatbot to write an email can use a cup of water. So how much water do the new AI data centres being built in Canada use? CBC's Jonathan Montpetit wanted to find out. Instead, he found a murky business with little oversight. But there's also growing opposition to big tech companies using public drinking water, just as climate change makes water more precious than ever.

For the past decade, Canadians have been split 50/50 on new pipelines — that has changed. Two recent opinion polls found roughly three quarters of eligible voters in Canada want at least one new pipeline built to export more fossil fuels. Yet, 70 per cent of people consider climate change a serious threat. IDEAS producer Tom Howell explores the incompatibilities and future scenarios. Fill out the IDEAS listener survey here. We appreciate your input! IDEAS is a place for people who like to think. If you value deep conversation and unexpected reveals, this show is for you. To hear more, you can listen to IDEAS wherever you get your podcasts or here: https://link.mgln.ai/Lh6sD9

Work is underway to pump seawater onto ice in Nunavut as a way to thicken it in the face of climate change. The experiment is showing some promising results but there are also concerns about its impact on ecosystems. Journalist Alec Luhn travelled onto the ice to see what was happening and to listen to local Indigenous elders about what the ice means to them. He also considers the moral hazard of trying to geoengineer a solution and whether it distracts from the real work needed to cut emissions.

Severe drought and a record-breaking wildfire season have left some remote First Nations in Manitoba cut off from the rest of the province. Planes were grounded by wildfire smoke, and in one boat-access community, the lake was so low the ferry couldn't run. Now, demands from Indigenous leaders are growing for better all-season roads, so the next time climate-fuelled disasters hit, they can get their people out.

The Biljik First Nation in New Brunswick is growing food aplenty thanks to a geodesic dome, community gardens and traditional knowledge. We pay them a visit during pumpkin harvest, to find out how they're winning the fight for food security even as drought threatens the region. Then we cross the country to find out why one bumper crop season is worth celebrating , but also why it's not enough in a changing climate.

If you drove by recent rallies across Canada, you might've wondered: what are they protesting? War? Fossil fuels? Discrimination? There were placards about all of it. Our youth climate action columnist Aishwarya Puttur says banding together could strengthen, not dilute, activists' messages. Then, we hear a similar call to action from renowned primatologist Jane Goodall, who died a few days ago at the age of 91.

Carter Vigh died when wildfire smoke brought on a severe asthma attack. Now his mom is part of an effort to teach other kids about the risks of smoky days and poor air quality. We hear the case for having these kinds of lessons in classrooms everywhere, as the planet warms, creating the hot, dry conditions that lead to longer lasting and more intense fires. And – we meet Roland, another nine-year-old kid with asthma, to find out how climate change is changing his life.

Cori Lausen remembers the first time she saw a bat killed by a wind turbine. It looked like a “black banana peel.” That unlocked a years-long search to understand what was happening and how to fix it. Decades later, Cori says not enough has been done to keep those bat species, which act as natural pest control, from becoming endangered. As wind energy developments continue to pop up in a rush to add renewables to the grid, the question looms: will we be able to do enough to keep both climate solutions on the landscape?

Here's a pitch for a national project that could bring cheaper power to Canadians, reduce emissions, protect our energy sovereignty and promote Indigenous reconciliation. How about a cross-Canada electricity grid powered by wind and solar? What On Earth's Indigenous climate solutions columnist, Melina Laboucan-Massimo, is with a delegation in Ottawa making the case for why this project should be a priority for Mark Carney's government.

The Yukon government is betting on a first-in-Canada solution to help protect Whitehorse from wildfire: a permanent fuel break made of trees. Replacing conifers with the more fire-resistant, deciduous aspen trees, the community hopes it will keep fire from encroaching on the city. But, the process takes a lot of work, starting with harvesting tiny seeds.

Bike lanes equals “bikelash” in parts of Canada. Why? And what is Paris doing right? We travel the path to the heart of the debate about making cities more bicycle friendly, finding out what difference they make to cutting emissions. Then we'll hear about one Calgary man's cycling adventure in Paris (croissants by the Seine anyone?) and what he learned about the city's campaign to build better routes for bikes. We'll also head to a neighborhood meet-up where one enthusiast is trying to teach the youngest to safely ride on Vancouver city streets in hopes of building a stronger cycling culture and community.

They're popping up on balconies across Europe. You can even buy them at IKEA in Germany. Solar panels designed to hang over a railing and plug into your wall. We hear about what's driving the trend, and what's standing in the way of bringing balcony solar to Canada.

The debate over EV adoption reached its peak after the PM put the mandate on ice. Now auto industry leaders want to scrap the rules altogether, while advocates say Canada risks falling behind if it doesn't aggressively pursue electrification. We trace the politicization of EVs over the years with an industry reporter, and ask Electric Mobility Canada whether their goal of more EVs on highways is falling by the roadside.

For more than 35 years, the outspoken American environmentalist has been raising the alarm about the climate crisis, starting with his groundbreaking book The End of Nature. Now Bill McKibben says, for once in his life, he is spreading good news. In his latest book, Here Comes the Sun, Bill explains why the recent boom in solar and wind power has given him hope for the planet's future, and he implores everyone to buy in.