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The Territory South of the River Ohio, more commonly known as the Southwest Territory, was an organized incorporated territory of the United States that existed from May 26, 1790, until June 1, 1796, when it was admitted to the United States as the State of Tennessee. The Southwest Territory was created by the Southwest Ordinance from lands of ...
Malaria was effectively eliminated in the United States by the use of DDT in the National Malaria Eradication Program (1947–52). The concept of eradication prevailed in 1955 in the Eighth World Health Assembly: DDT was adopted as a primary tool in the fight against malaria.
In a 2013 interview, Ruckelshaus briefly recounted his decision to ban DDT except for emergency uses, noting that Carson's book featured DDT and for that reason the issue drew considerable public attention. Former Vice President of the United States and environmentalist Al Gore wrote an introduction to the 1992 edition of Silent Spring.
It was listed under the United States Endangered Species Act from 1970 to 2009, as pesticides such as dieldrin and DDT threatened its future in the Southeastern United States and California. In 1972, the use of DDT was banned in Florida, followed by the rest of the United States. Since then, the brown pelican's population has increased.
Criticisms of a DDT "ban" often specifically reference the 1972 United States ban (with the erroneous implication that this constituted a worldwide ban and prohibited use of DDT in vector control). Reference is often made to Silent Spring, even though Carson never pushed for a DDT ban.
Some states passed legislation to help growers pay their share of program costs. The program was extended into the southeast and southwest during the 1980s. Eradication is now complete in all cotton growing states except Texas, where problems along the Mexican border have halted the program there. Eradication was not complete in Texas as of 2022.
The use of DDT in the United States was banned in 1972, except for a limited exemption for public health uses. Public concern about the usage of DDT was largely influenced by the book, Silent Spring, written by Rachel Carson. The ban on DDT is cited by scientists as a major factor in the comeback of the bald eagle in the continental United States.
Montrose Chemical Corporation of California. / 33.84861°N 118.30083°W / 33.84861; -118.30083. The Montrose Chemical Corporation of California was a chemical corporation that was the largest producer of the insecticide DDT in the United States from 1947 until it stopped production in 1982. [1] Its improper disposal of chemical waste ...