The peaches harvested at Masumoto Family Farm in California's Central Valley are so delicious, they are sought after by world-famous restaurants.

But this year's harvest signals trouble: There are 30% fewer peaches to pick due to warmer winters that disrupted the sleep cycles of the trees. Farmers like Mas Masumoto, whose family relies on a 12-week peach harvest for their entire income, are seeing firsthand how climate change threatens their livelihood.

"We like to think about it like the trees need to sleep really soundly — and they need a certain number of hours under 45 degrees," Mas' daughter Nikiko said.

This past winter, the area's stone fruits, such as peaches, plums, apricots and cherries, didn't get consistent cold weather that regulates the trees' nutrients. Instead, they w

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