Jim Vondruska/Reuters
Most of the world's sugar comes from sugarcane. But the plant is so difficult to harvest that farmers often set their fields on fire first to get rid of leaves and unwanted pests. That's how most sugarcane is harvested in Florida, the largest producer of sugar in the US. Residents who live near the fields say the giant smoke clouds are is making them sick.
David Carson/St. Louis Post-Dispatch via AP, file
Mayra Beltran/Houston Chronicle/Getty Images
Whitehall Lane Winery
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Rick Wilking/Reuters


