Fish bones are full of calcium phosphate. Now clean-up engineers are finding that fish bone meal is a good way to remedy lead contamination in soil, because they can bind lead in a form that the human body can not absorb.

"The persistent inability of the United Nations to forge international consensus on climate change issues was on display Wednesday, as Security Council members disagreed over whether they should address possible instability provoked by problems like rising sea levels or competition over water resources."

"People living in Ohio, Pennsylvania and Florida are most at risk in the United States from toxic emissions spewing from coal and oil-fired power plants, two leading American environmental groups said in a report on Wednesday."

"Famine in parts of southern Somalia has killed tens of thousands of people, mostly children, the United Nations said Wednesday in an official declaration of what aid officials describe as the worst humanitarian crisis in the troubled country in two decades."

"A lengthy, blistering heat wave that is blanketing the eastern half of the United States is putting significant stress on the nation's power grid as homeowners and businesses crank up their air conditioners."

Congress created a cap-and-trade plan for air pollution from the nation's aging fleet of power plants 20 years ago. In its time, it was successful in cutting pollution, but today, tattered by politics and lawsuits, its future is uncertain.

"An Indiana University-Purdue University Indianapolis study has found mercury contamination in soil downwind from a coal-fired power plant in Indianapolis, supporting the notion of localized mercury hot spots."