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  • 17 Mar 2000

    A new pesticide which some scientists have likened to DDT will not be registered in the United States for use on cotton fields, the Environmental Protection Agency (EPA) announced Wednesday.

  • 10 May 1999

    It seemed simple: To prevent marine mammals from becoming ensnared in fishing nets, scare them away with high-pitched noisemakers. But a paper published in the spring issue of the Marine Technology Journal suggests that for some species, acoustic "pingers" do more harm than good.