Bhopal, 25 Years Later

This audio segment from PRI's The World Science Podcast revisits a pesticide factory in Bhopal, India, where a 1984 gas leak caused as many as 8,000 deaths.

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Bhopal’s Unlikely Legacy

This audio segment from PRI's The World Science Podcast explores how the 1984 gas leak in a pesticide factory in Bhopal, India has increased public awareness about toxic threats, and has been a catalyst for new legislation here in the United States.

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Drive by Extinction

The Bay checkerspot butterfly is now categorized as a federally threatened species whose decline has been called “drive-by extinction.” In this audio report from QUEST produced by KQED, learn what biologists are doing to prevent this butterfly from going extinct.

E. O. Wilson: Ants and Ecosystems

This segment is from an interview with ant specialist and biologist E.O. Wilson, filmed for Evolution: "Evolutionary Arms Race."

How to Prevent Future Bhopals

Henrik Selin, a professor of international relations at Boston University and author of the forthcoming book Global Governance of Hazardous Chemicals, assesses the risk of future disasters like the 1984 gas leak in Bhopal India, in this audio segment from PRI's The World Science Podcast.

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Journey to the Farallones

The Farallon Islands aren’t just a unique habitat, they’re also a bellwether for climate change. In this video from QUEST produced by KQED, find out how unexpected, recent climate change is affecting life on and around the Farallon Islands.

Life in the Deep

Learn about some strange creatures that inhabit the deep oceans, including transparent sea cucumbers and oil eating tube worms, in this audio segment from PRI's The World Science Podcast.

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Mercury in the Bay Part 2

In this audio piece from QUEST produced by KQED, learn about mercury, an extremely toxic pollutant. Examine the multibillion-dollar plan to clean up the mercury in San Francisco Bay.

Saving the World’s Potatoes

This audio segment from PRI's The World Science Podcast explores the extraordinary variety of potatoes native to the Andes in South America, and the current mission to protect this biodiversity.

Sea of Plastic

Where do our used plastic cups, packaging and other plastic products go? In this audio report from QUEST produced by KQED, learn why some cities and counties are so concerned that they've passed ordinances to try to limit plastic consumption.

Sewage Happens

Sewage spills happen all the time. In this audio report from QUEST produced by KQED, learn about why much of the blame lies beneath our feet.

Sewage Spills Increasing

How much sewage makes its way into our water? In this audio report from QUEST produced by KQED, learn about the factors that are adding up to a potential disaster of septic proportions.

Sudden Oak Death

California’s plant biologists are looking at ways to stop the spread of a disease that is killing trees vital to the ecology. In this audio report from QUEST produced by KQED, learn about what researchers are doing to inoculate individual trees from sudden oak death.