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DDT

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DDT

Insecticide discovered in 1939 by Swiss chemist Paul Müller. It is useful in the control of insects that spread malaria, but resistant strains develop. DDT is highly toxic and persists in the environment and in living tissue.

The Stockholm Convention, which came into force in 2004, calls for a complete ban on DDT and eleven other organic pollutants. However, public-health use of DDT in tropical countries (where the threats of mosquito-borne infections such as malaria far outweigh any concerns over DDT's toxicity) remains exempt from the ban until a viable alternative has been found.
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COLUMN: IN OUR OPINION Here's the brown pelican brief: Use of the pesticide DDT in the 1950s and '60s caused the birds' numbers to decline dramatically, leading to its listing as an endangered species.
The pelican returns; A triumph for patient conservation by Telegram & Gazette (Worcester, MA)
It has taken 36 years, the banning of DDT and a lot of work by the US government, the states, conservation organizations, dedicated citizens and partners, but today we can say that the brown pelican is back," Salazar told a telephone news conference held simultaneously in Washington and Louisiana.
US takes brown pelican off endangered species list by AFP / AFP Global Edition
The World Health Organization has recommended dichlorodiphenyltrichloroethane (DDT) for indoor residual spraying to control malaria when suitable alternatives are not available, and DDT is currently used for this purpose in approximately 14 countries, van den Berg (p.
Global status of DDT by Environmental Health Perspectives
 
 
 
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