What On Earth

CBC•www.cbc.ca

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: July 4th, 2025 at 4:19 PM ⓘ

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Episodes

The planet is getting warmer. Are Canadian cities ready?

After a hot summer in cities across the country and warming in regions that Environment Canada doesn't even have systems built for yet, we look at how prepared Canada is for heat and what we can learn from elsewhere.

Aug 28, 2020•33 min

Net-zero emissions is the goal. So how do we get there?

Canada depends on fossil fuels for energy, and it wants net zero emissions by 2050. Ottawa and several provinces think hydrogen could be part of the path forward. We ask how workers will be affected, what can you do, and if hydrogen lives up to the hype?

Aug 21, 2020•40 min

Is regenerative farming hope for a hotter planet?

Extreme weather and warmer temperatures put farmers on the front lines of climate change. Now some farmers are turning to regenerative farming to fight back. We get all the details and ask if it’s enough to help stop climate change?

Aug 14, 2020•27 min

Can the arts move the meter on our own climate action?

Books, music, art, film. There's no shortage of work when it comes to how the arts tackle climate change. But does it have an impact? This week, What On Earth goes off the beaten path and asks if art can move the meter on our own climate action?

Aug 07, 2020•46 min

Zombie fires and the problem with peat

Siberia is on fire, and what’s burning is peat. Scientists used to think the wet bogs of peatland wouldn’t burn, but as our climate warms and they dry out, peatland fires are causing big climate and health problems. What can we do to save them?

Jul 31, 2020•35 min

Nature on the move

Move, adapt or face extinction: a warming climate means thousands of plants and animals are already shifting where they live. We talk about changes happening now in Canada, and what to do about it — including protecting the “slow lanes” of climate change.

Jul 24, 2020•27 min

Will climate change make us retreat from the waterfront?

Flooding is already the most costly natural hazard in Canada. With sea levels rising and more extreme weather, many homeowners are at risk and don’t know it. We look at solutions, and ask: when it is time to retreat from the waterfront?

Jul 17, 2020•42 min

How Indigenous knowledge could help fight climate change

We look at the value of Indigenous knowledge in the fight against climate change. On one hand, it's being embraced by outsiders like never before. But others say there’s a big difference between extracting information and really listening to it.

Jul 10, 2020•30 min

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