What on Earth?

CBC Discover & Learn
CBC Discover & Learn
  • 4.8 (249)
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  • Updated Weekly

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. 

  1. 2d ago

    More heat, more rats, more problems

    From the best of What On Earth: A warmer world is great for rats. (Not so much for us). That’s why cities are seeing a climate-linked rise in rodents. Can birth control reverse that? Producer Molly Segal finds out how Chicago, Manhattan and Vancouver are all trying to make things a little less rattier.

  2. 6d ago

    The disaster in Nepal as a ‘wake-up call from Mother Nature’

    The search for survivors is underway after deadly flooding in Nepal and Tibet. But experts around the world are also unpacking what role climate change played in the disaster. We hear from two experts who know the region well, who say people have been warning that something like this was coming as glaciers warm at an alarming rate. And we find out why a better understanding of the impacts of warming on this region could protect lives.

  3. Aug 26

    Bats are dying in wind turbines. Here’s how to stop it

    From the best of What On Earth: Bats and wind turbines are both climate darlings. But after Cori Lausen saw a turbine reduce a bat to a "black banana peel," she set out to find another solution. That experience unlocked a years-long search to understand what was happening and how to fix it. The question looms: as we rush to add wind renewables to the grid, will both ever be able to co-exist on the same landscape?

  4. Aug 22

    Will Alberta data centres really curb their water use?

    There was booing and calls of bullsh*t during a recent government town hall in Sturgeon County. It’s where tech giant Meta is building its largest data centre outside of the U.S. Locals have a variety of concerns; we’re zooming in on the promise that this facility will use less water. Can the plans for ‘closed-loop’ cooling help fix AI’s thirstiness? We break down what the tech can do, and what’s really happening at data centres already operating.

  5. Aug 19

    Fed up with broken stuff? Join the Buy it for Life movement

    From the best of What on Earth - Online communities are hunting for items that last. At #BI4L, members crowdsource reviews and recommendations to try to find the “best” version of, well, everything – from blenders to husbands (really). It’s all in an effort to save money, AND the climate.

  6. Aug 15

    Why wildfires have some people furious about fossil fuels

    If you’ve breathed in smoke, or worse, had to flee your home this summer, you might be thinking more about our warming world. Grand Chief Stewart Phillip hopes this season of fire translates to climate action. As wildfire tears through his territory, the First Nations leader is calling on Mark Carney and Danielle Smith to pause a proposed pipeline. At the same time, pollster Shachi Kurl tells us about a surge in climate concern among Canadians this wildfire season. But will the data lead to political change?

  7. Aug 12

    Want a climate-friendly burial? Mushrooms may be the answer!

    It’s made of mycelium and hemp, it’s better for the earth and it’s now available in Canada. CBC’s Anand Ram introduces us to an American woman who laid her father to rest in one of these biodegradable coffins. And we hear how innovations in green burials are comforting options for those who want to honour their loved ones’ environmental values.

  8. Aug 8

    A quick, low-cost DIY solution to improve indoor air quality

    From the Best of What On Earth – Wildfire smoke has choked Canadians across the country this summer. Air purifiers are expensive, but there’s a cheaper way to clean your air indoors. We visit a workshop teaching seniors in Vancouver’s Chinatown to build DIY air cleaners, and get some tips for how you can make one yourself.

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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. 

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