Two leading naturalists who pioneered the field of conservation biology passed away at the end of December 2021. A look back on E.O. Wilson’s big idea to save half of the Earth for nature, and Tom Lovejoy’s gift for bringing people together to protect the planet.

Also, the wildfire that torched around a thousand homes in the suburbs of Boulder, Colorado in late December highlights the growing risk of wildfires to many neighborhoods year-round. As many as 60 million homes in America are within a mile of a wildfire zone, and we’ll discuss what residents can do to reduce their risk.

And scientists find that polar bears use tools to hunt formidable walruses as access to other food sources for the bears declines in a warming Arctic.

Thanks this week to our sponsor Climate Talks, a new podcast from Meta. Learn more: https://sustainability.fb.com/blog/2021/10/29/introducing-climate-talks/

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177: Kimberly Kane: Brothel Work, Food Domination, and Sex Work Advocacy