Recent Episodes

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Are Human Lives Improving?

November 15, 2018
In their 1968 book The Population Bomb, Paul and Anne Ehrlich warned of the dangers of overpopulation. These included mass starvation, societal...
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A Four-Zero Climate Solution

November 14, 2018
Stabilizing our climate is going to take some hard truths – and hard numbers. “If you look at 1.5 degrees, it's about 13 years,” says...
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Saudi America

October 18, 2018
Production of oil and gas in the U.S. has surged to levels unthinkable a decade ago due to the revolution in hydraulic fracturing, which has...
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Will China Save the Planet?

October 18, 2018
Chinese factories churn out parts and products that end up in our cars, our kitchens and our cell phones. And all that productivity has improved...
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The World on Fire

September 5, 2018
Wildfires have always been part of the landscape in the western states. But the size and intensity of fires over the last several years is...