The sites fight climate change and can help with another global crisis: the collapse of nature. But so far, efforts to nurture wildlife habitat have been spotty.
Los insecticidas usados en cultivos de maíz y soya ejercieron el mayor impacto sobre el tamaño y la diversidad de las poblaciones de mariposas, según un estudio.
Agricultural insecticides were a key factor, according to a study focused on the Midwest, though researchers emphasized the importance of climate change and habitat loss.