is it harmful to the environment?
Yes. It is a persistent organic pollutant that is readily adsorbed to soils and sediments, which can act both as sinks and as long-term sources of exposure affecting organisms
DDT
Because of its lipophilic properties, DDT can bioaccumulate, especially in predatory birds. DDT is toxic to a wide range of living organisms, including marine animals 
why is the peregrine falcon the fastest bird Due to its characteristic hunting stoop (high-speed dive) how fast is it? UNANSWERABLE what is its scientific name? Falco peregrinus what is its conservation status? Their population has bounced back in most parts of the world and the species is no longer at risk even in Canada where it was identified as endangered in 1978 where is it mostly found? Nearly everywhere on Earth, except extreme polar regions, very high mountains, and most tropical rainforests what kind of diet do they follow? Medium-sized birds such as pigeons and doves, waterfowl, songbirds, and waders what can you tell me about its breeding? it is sexually mature at one to three years of age, but in larger populations they breed after two to three years of age can you describe its structure ? The back and the long pointed wings of the adult are usually bluish black to slate grey with indistinct darker barring, the wingtips are black does it have any cultural significance? Yes. The Ancient Egyptian solar deity Ra was often represented as a man with the head of a Peregrine Falcon adorned with the solar disk earlier you mentioned that they were at risk on the basis of their population. was there any reason for it? The use of organochlorine pesticides, especially DDT what is its full form? Dichlorodiphenyltrichloroethane when was it initially prepared? 1874 by whom? Othmar Zeidler
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DDT [SEP] Environmental impact
DDT is toxic to a wide range of living organisms, including marine animals such as crayfish, daphnids, sea shrimp and many species of fish. DDT, DDE and DDD magnify through the food chain, with apex predators such as raptor birds concentrating more chemicals than other animals in the same environment. They are stored mainly in body fat. DDT and DDE are resistant to metabolism; in humans, their half-lives are 6 and up to 10 years, respectively. In the United States, these chemicals were detected in almost all human blood samples tested by the Centers for Disease Control in 2005, though their levels have sharply declined since most uses were banned.