Banned insecticide lingers on for years if bugs in the soil are poisoned

时间:2019-03-03 06:16:00166网络整理admin

By Emma Young COMMON fungicides could be to blame for the puzzlingly high levels of DDT still found in some soils, even in regions where the potent insecticide was banned decades ago. DDT, introduced in the 1940s, was widely banned at the beginning of the 1970s after research revealed a host of damaging effects on animals. It disrupts hormones, dents fertility rates and causes drastic thinning of birds’ eggshells. Controversially, its use is still permitted in some malaria-ridden countries. When DDT gets into the ground,