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Note: EPA no longer updates this information, but it may be useful as a reference or resource.
Recognized as an insecticide by the Swiss scientist Paul Hermann Muller , DDT helped 1 billion people live malaria-free for thirty years after its discovery, thus saving millions of lives. But, according to a study in Environmental Health Perspectives , its "stability, ubiquitous presence, and persistence in the environment, its accumulation in adipose tissues, and its estrogenic properties" make its long-term effects on both humans and wildlife disastrous.
The National Pollutant Release Inventory ( NPRI ) is Canada's legislated, publicly accessible inventory of pollutant releases (to air, water and land), disposals and transfers for recycling.
A previous version of this article, written in 2001, is now archived as a PDF file .
Have you ever wondered what it would be like to live in a different part of the world?