30 Jul '13, 8pm

Pesticides are blowing into California’s mountains, poisoning frogs

Pesticides are blowing into California’s mountains, poisoning frogs

Shutterstock Not all of the pesticide stays where it is sprayed. Pesticides sprayed over farms in California’s Central Valley appear to be blowing up into the Sierra Nevada mountain range, where they’ve been found in the flesh of frogs in national parks. Such farm chemicals are thought to be contributing to the ongoing decline of frogs and other amphibians in the Sierra. Mountain hikers used to need to take care to not step on frogs, but now the animals are difficult to find. Sierra amphibians help control insect numbers and provide food for birds and other wildlife, but their numbers are plummeting as they succumb to disease, habitat loss, and other environmental problems. Researchers collected Pacific chorus frogs from Yosemite National Park, Lassen Volcanic National Park, Giant Sequoia National Monument, Stanislaus National Forest, and Lake Tahoe in 2009 and 2010. They ...

Full article: http://grist.org/news/pesticides-are-blowing-into-califor...

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mnn.com 26 Jul '13, 6pm

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