Look Who's Ignoring Science Now

Efficacy of DDT in malaria control...

Look Who's Ignoring Science Now: "The flip side of Bush cronyism is hostility toward experts -- toward people who care about what's what rather than who's who. Economists have depressingly little influence on the Bush economic policy. Climate scientists are incidental to the Bush climate-change policy. Health experts seldom decide issues like the provision of clean needles to HIV-vulnerable drug addicts or poor countries' access to generic AIDS drugs. But it's not just the Bush administration that spurns data and evidence. Consider the case of dichloro-diphenyl-trichloroethane, on which the Bush administration is marginally better than the European Union.

DDT, to give that chemical its more familiar name, works miracles against diseases that are spread by insects. During the Second World War, vast quantities of the stuff were dusted over troops and concentration-camp survivors to kill the body lice that spread typhus. Later, DDT was used widely in Latin America to beat back dengue and yellow fever. But the chemical's noblest calling is to combat malarial mosquitoes. In the early 20th century, Dunklin County, Missouri, had a higher rate of malarial mortality than Freetown, Sierra Leone. Between 1947 and 1949, DDT was sprayed on the internal walls of nearly 5 million American houses, and at the end of that process malaria had ceased to pose a significant threat in the United States.

DDT also helped to eliminate malaria in Europe and parts of Asia, and in 1970 the National Academy of Sciences estimated that the chemical had prevented 500 million deaths. And yet, despite that astounding number, DDT has all but disappeared from the malaria arsenal. Some 500 million people still get the disease annually, and at least 1 million die, but the World Health Organization refuses to recommend DDT spraying. The U.S. government's development programs don't purchase any of the chemical. In June President Bush made a great show of announcing a new five-year push against malaria; DDT appears to play no part in his plans.

But the worst culprit is the European Union. It not only refuses to fund DDT spraying: In the case of at least one country, it has also threatened to punish DDT use with import restrictions...