DDT Has Been Killing Mosquitoes and Saving Lives for Decades

DDT has been killing mosquitoes and saving lives for decades. But it is wearing off.

Mosquito populations have increased as much as ten-fold over the past five decades in New York, New Jersey, and California, according to long-term datasets from mosquito monitoring programs. The number of mosquito species in these areas increased two- to four-fold in the same period.

A new study finds the main drivers of these changes were the gradual waning of DDT concentrations in the environment and increased urbanization. The findings were published December 6 in Nature Communications.

The potential effects of climate change on the spread of insect-borne diseases is a major public health concern, but this study found little evidence that mosquito populations in these areas were responding to changes in temperature or precipitation.

The morons who banned DDT were evil.

In 1970, the U.S. National Academy of Sciences estimated that DDT saved more than 500 million lives during the time it was widely used.  http://www.wnd.com/2004/07/25428/  Banning DDT has resulted in about 100 million deaths, many of whom were pregnant women and children.  By comparison: Hitler killed about 6-7 million, Stalin killed around 10-14million, and Mao killed between 60-68 million.

FYI: The ban on DDT is why the US is currently having infestations of bed bugs; most people born after 1940 thought these were eradicated like polio.

 

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