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FIREBAUGH, Calif. — Many farmers probably haven’t read the new report from the United Nations warning of threats to the global food supply from climate change and land misuse. But we don’t need to read the science — we’re living it.
Here in the San Joaquin Valley, one of the world’s most productive agricultural regions, there’s not much debate anymore that the climate is changing. The drought of recent years made it hard to ignore; we had limited surface water for irrigation, and the groundwater was so depleted that land sank right under our feet.
Temperatures in nearby Fresno rose to 100 degrees or above on 15 days last month, which was the hottest month worldwide on record, following the hottest June ever. (The previous July, temperatures reached at least 100 degrees on 26 consecutive days, surpassing the record of 22 days in 2005.) The heat is hard to ignore when you and your crew are trying to fix a broken tractor or harvest tomatoes under a blazing sun. As the world heats up, so do our soils, making it harder to get thirsty plants the water they need.