Take Two®

News and culture through the lens of Southern California. Hosted by A Martínez

Reservoirs emit greenhouse gases. So why aren't they accounted for?

by A Martínez and Monica Bushman | Take Two®

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Shasta Lake is the largest reservoir in California. Craig Miller/KQED

When you think of sources of greenhouse gas emissions, what comes to mind? Maybe cars lined up in gridlock on the freeway, or industrial plants belching smoke.

How about water storage reservoirs? It turns out, they're a significant source of greenhouse gas emissions too.

A study published last month in the journal BioScience from researchers at Washington State University-Vancouver found that the world's reservoirs actually emit as much greenhouse gases as the entire nation of Canada.

Bridget Deemer is the study's lead author and now a post-doctoral research ecologist with the U.S. Geological Survey in Flagstaff, Arizona. She joined Take Two to explain how reservoirs emit greenhouse gases and how those emissions might be reduced in the future.

To hear the full interview, click the blue player above.

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