Climate change could put the heat on California crops

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San Joaquin Valley walnut farmer Chris Locke has noticed a change in the weather, with less frigid fog and more sunny days. Winter chilling hours have declined as much as 30% since 1950 in large swaths of the Central Valley, according to a UC Davis study. That’s bad news for the fruit and nut orchards there that rely on winter chilling hours. Read more here.