In 1962 the publication of Silent Spring by long-time Audubon member Rachel Carson gave the campaign against "persistent pesticides" a huge national forum.

It is therefore categorized as a moderately persistent pesticide.

"Those persistent pesticides were phased out in the 1960's and early 1970's."

This coincided with increasing concerns worldwide about the long-term effects of persistent pesticides.

Pesticides, especially persistent pesticides, must be avoided to avoid killing wildlife.

This includes woody material, pernicious weeds, diseased material and material treated with persistent pesticides and herbicides.

Replies: In general, the top predator in any food chain would have the greatest concentration of persistent pesticides.

Wood-decay fungi are particularly effective in breaking down aromatic pollutants (toxic components of petroleum), as well as chlorinated compounds (certain persistent pesticides; Battelle, 2000).

This suppressed but did not stop the gypsy moth, and inspired Rachel Carson's landmark work, "Silent Spring," damning the environmental damage caused by persistent pesticides.

Wetlands and waterways are polluted by eutrophication and accumulation of persistent pesticides such as chlorinated hydrocarbons and organophosphates through agricultural runoffs.