Health, Science, Environment

7:17am

Thu February 20, 2014
Health, Science, Environment

Today on Your Call: Are we in the midst of the next mass extinction?

On today's Your Call, we’ll speak with Elizabeth Kolbert, author of “The Sixth Extinction: An Unnatural History”. Our planet has already gone through five major extinctions,including the one that wiped out the dinosaurs. But this time, humans are the culprit, potentially eradicating 20 to 50 percent of all living species within this century. How is man-made climate change contributing to the rapid loss of diverse life? And how can we halt it? It’s Your Call, with Rose Aguilar, and you.
 

 

  

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5:02pm

Wed February 19, 2014
Delta part 2

Navigating the Delta: The Roots of Agriculture

Nicholas Cotano, standing by old asparagus packing shed he used to supervise
Lisa Morehouse

Major California rivers drain into the Sacramento-San Joaquin Delta, and over decades of building dams and reservoirs and pumps, it’s become the major hub of the state’s water system. It’s not just the water flow that’s been transformed here, however. This land used to be made up of tidal wetlands and marshes of tullies. Today, there are nearly 60 islands surrounded by levees. Most of the land here is used for farming, and it’s some of the richest farmland in the state.

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4:46pm

Wed February 19, 2014
Health, Science, Environment

StoryCorps: Overcoming mental illness together

Chuck and Josh Lampert
San Francisco StoryCorps

5:08pm

Tue February 18, 2014
Health, Science, Environment

Explainer: Where does California water really go?

 

Record low rainfall and lack of snow have made this the driest year in California’s recorded history. Some scientists say it’s the driest in half a millennium. It’s enough to cause Governor Jerry Brown to declare a state of emergency. Governor Brown has asked all Californians to start using 20 percent less water. We’re not to the stage of rationing, yet - that last happened in San Francisco more than two decades ago, in 1992.

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5:00pm

Tue February 18, 2014
Health, Science, Environment

Interview with an environmental scientist: Where has all California's water gone?

Peter Gleick
Courtesty of the Pacific Institute

As California faces an extreme drought, water politics are under a microscope now more than ever. Oakland-based Pacific Institute is a leader in research on the impacts of climate change on water. Its director, Peter Gleick, was awarded a prestigious MacArthur Fellowship for his work on water resources.

Even though 38 million Californians cook, clean and bathe with water, the Central Valley is still the largest user by far, taking up 75 percent of the state's water supply. Gleick sat down with KALW's Ben Trefny to decipher the state's water issues. 

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