Residents of Treece, Kansas, try to go forward as they wait for buyouts at a Superfund site created by years of lead and zinc mining.

"If taxpayers end up paying only 1 percent of the cost of cleaning up PCB contamination in the Fox River, that could be between $10 million and $15 million. If the taxpayer obligation reaches 10 percent, the figure becomes $100 million or more."

"Architects of Senate energy and climate legislation reiterated their support for nuclear power and offshore drilling yesterday in an effort to garner the support of moderate Democrats and Republicans."

"Mercury exposure in the United States increases with age, then starts tapering off when people turn 50, the Centers for Disease Control and Prevention found in a study released today."

"Negotiations at the UN climate summit have been suspended after developing countries withdrew their co-operation."

"Global warming is now officially considered a threat to U.S. national security. For the first time, Pentagon planners in 2010 will include climate change among the security threats identified in the Quadrennial Defense Review, the Congress-mandated report that updates Pentagon priorities every four years."

"The owner of the highly polluted Kin-Buc Landfill in Edison has agreed to make the largest environmental clean-up contribution in the United States, $1.79 billion, as part of a bankruptcy settlement."

"TORONTO - A Mexican man who strongly opposed the presence of a Canadian company in his hometown felt sure his activism would lead to his murder but was willing to pay that price to protest what he regarded to be human rights abuses, friends said Thursday."