DDT was considered a panacea for a range of insect pest issues, - TopicsExpress

DDT was considered a panacea for a range of insect pest issues, from controlling disease to helping farmers. But we didn’t understand bioaccumulation back then—toxins concentrating up the food chain, risking the health and survival of animals from birds to humans. Chlorofluorocarbons, or CFCs, seemed so terrific we put them in everything from aerosol cans to refrigerators. Then we learned they damage the ozone layer, which protects us from harmful solar radiation. These unintended consequences come partly from our tendency to view things in isolation, without understanding how all nature is interconnected. We’re now facing the most serious unintended consequence ever: climate change from burning fossil fuels. Some proposed solutions may also result in unforeseen outcomes.

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