As temperatures get hotter, pesticides are more dangerous to farmworkers
摘要
研究显示，气候变化正加剧农药对美国240万农场工人的危害。高温使身体更易受农药等有毒物质影响，而防護服在炎热环境下加重身体负担；气温升高还导致农药蒸发率上升，增加暴露风险，并加速农药转化为毒性更强的化合物。专家指出，工人通过呼吸和皮肤吸收空气中的农药，出汗时毛孔扩张会进一步增加吸收。
For the nation’s 2.4 million farmworkers, climate change is poised to exacerbate the harms of pesticides, a growing body of research shows.
Heat stresses the body, making it more vulnerable to pesticides and other toxicants, and protective clothing worn in the heat only adds to this stress. Hotter temperatures can also lead to higher evaporation rates, increasing farmworkers’ exposure as more pesticides are applied to crops. And heat can boost rates of chemical transformation of pesticides into more toxic compounds.
“When it’s in the air, you are inhaling it through your nose. You are exposed to it through your other organs like skin. Your skin can absorb some of the pesticides [that are] in the air, and also when you’re sweating as part of doing your work you are increasing the pore size of your skin,” said Omanjana Goswami, a scientist in the food and environmental program at the Union for Concerned Scientists, an advocacy group. “It is awful. There is no other word for it.”
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