What on Earth?

Weekly science journalism on climate change and environmental solutions AI summary

CBC Visit website › News · EN · 405 episodes · latest 2026-11-07

Rank 4026

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What it is about

It’s a wild ride these days on our planet. Buckle up, because scientist (and actual pilot) Johanna Wagstaffe is here to help you make sense of our changing world, where the climate is warming just as everything else can feel like a hot mess. Every week, Jo and our team of journalists illuminate the ways humans are transforming Earth, and reveal a little wonder along the way. Our podcast, videos and radio show deliver science-backed answers to your questions, and help you understand what’s a real solution and what’s screwing things up.

Publisher’s own description, taken unchanged from the podcast feed.
Copyright © CBC 2026

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Latest episodes

Can the U.S. ride the ‘blue wave’ into a greener future?

2026-11-07 · 25 min

In the midterms, data centres and gas prices proved to be winning issues for Democrats. With the party set to control both chambers of Congress, we hear how energy concerns could usher in a new era of climate action –…
These young Canadians are suing their country over climate

2026-10-31 · 25 min

This week, Jo goes inside the courtroom as an historic climate lawsuit gets underway in Vancouver. Fifteen young Canadians have hauled the federal government to court, arguing its response to climate change violates…
There’s a bat housing crisis and the solutions are adorable

2026-10-24 · 25 min

Sixty-five bats dropped dead inside a home custom-built to protect them. What went wrong? For bat moms looking for a place to raise their pups, it’s not the rent that’s through the roof, it’s the temperature. But bat…
The seaweed invasion so big you can see it from space

2026-10-17 · 25 min

Mountains of sargassum seaweed are choking Caribbean beaches. It’s so dangerous it’s shut down a school. Scientists point the finger at climate change, but solutions are on the horizon. We head to the tropics to learn…
Is Alberta separatism fueling Ottawa’s pipeline plans?

2026-10-10 · 25 min

Alberta has the country on tenterhooks as the province votes on whether to consider splitting from Canada. At least one separatist leader says the threat to leave is serving as leverage for the oil industry. Others in…
Can AI save the planet before it kills us all?

2026-10-03 · 25 min

Depending on who you ask, AI could usher in a green utopia – or the apocalypse. Between those two extremes is a much less hypothetical reality: the technology’s huge impact on our environment now. But tech leaders like…
The weatherman who spoke the truth – and paid the price

2026-09-26 · 25 min

When a meteorologist took a job in Iowa, he was excited to make his forecasts matter to viewers by bringing in climate impacts that were relevant to their lives, like rising costs and energy independence. But then the…
There's a lot on Carney's plate. Is our climate plan cooked?

2026-09-19 · 25 min

As parliament gets back in session, there’s a lot going on: a trade war, talk of Alberta separation, and international alliances being redrawn. Prime Minister Mark Carney has been clear: he doesn’t think the old climate…
Is this Super El Niño a peek into forever weather?

2026-09-12 · 25 min

It’s gonna be a record-breaking few months of weather. A natural surge of warm ocean water is colliding with a planet hotter than at any point in human history – meaning more heat, more floods, more droughts. Some think…
Introducing our new host, Johanna Wagstaffe

2026-09-09 · 3 min

She's a CBC science journalist, meteorologist and seismologist. Now she’s taking the helm as the host of your favourite climate change podcast. All summer long, Jo and the team have been cooking up new ideas and stories…

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Publisher details

Oldest episode in feed: 11/2021 · over 4 years
Typical length: 32 min
Format: Episodic Newest first, episodes stand alone

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