Chemicals

"Farmers Face Tough Choice On Ways To Fight New Strains Of Weeds"

"In large sections of America's farmland, new strains of weeds are making life miserable for farmers. They've developed resistance to the country's No. 1 weedkiller, Roundup. Now farmers face a choice: Do they go for yet another kill-all-the-weeds chemical, or go back to more complicated, labor-intensive ways of fighting weeds?"

Source: NPR, 03/07/2012

"How a Gold Mining Boom Is Killing the Children of Nigeria"

"It is a pattern seen in various parts of the world — children being sickened from exposure to lead from mining activities. But the scale of the problem in Nigeria’s gold-mining region of Zamfara is unprecedented: More than 400 children have died and thousands more have been severely poisoned by exposure to lead dust."

Elizabeth Grossman reports for Yale Environment 360 March 1, 2012.

Source: YaleE360, 03/02/2012

"Federal Agency Investigating Sand-Blasting Hazards"

"For years, the wastes from burning coal and producing copper have enjoyed a second life, used in sand-blasting to remove paint, rust and grime from ship's hulls, storage tanks, bridge trusses and other surfaces. Painting contractors, shipyard workers and thousands of others in Baltimore and across the country are said to use the black, gritty material called slag. Now, though, questions have been raised about whether those who do blasting with ground-up coal or copper slag may be unwittingly exposing themselves to toxic contaminants that could damage their health."

Source: Baltimore Sun, 02/27/2012

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