In the early decades of the 20th century, farmers had few pesticides at their disposal more effective than arsenates to protect their crops from insect depredations. During World War II, German and Allied laboratories produced complex and lethal chemical compounds, including DDT and lindane. Since then new generations of pesticides such as carbamates (Bux Ten, Furadan and Mobam) have proved to be efficient at curbing insects and microscopic pests without producing the strong toxic effects of DDT on the environment. At the same time, however, these new silent killers still pose a potential threat to other forms of life, including human.
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