Agriculture
California's vineyards are facing a very big threat. The combination of a plant disease with no cure and a half-inch-long grasshopper looking thing called a glassy-winged sharpshooter has done millions of dollars of damage in just a few years. Pierces disease has existed for more than 100 years in the state, but until recently there was no carrier as effective in transmitting the disease more than a few feet and spreading it so rapidly. The glassy-winged
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