From an immense mansion in the Hamptons, Ira Rennert oversees a private industrial empire that includes one of the most toxic sites in the world.

"The Agriculture Department will have the lead role in overseeing agriculture offsets under the House climate bill...."

"Three-quarters of Americans think the federal government should regulate the release into the atmosphere of greenhouse gases from power plants, cars and factories to reduce global warming, according to a new Washington Post-ABC News poll...."

Southerners are looking to their forests for alternative fuel.

Four island nations facing inundation from sea-level rise wrote President Obama, asking him to support their efforts to control HFCs.

"Aboriginal leaders welcomed an agreement announced Monday between the federal and Ontario governments to clean up 16 abandoned Cold War radar sites in northern Ontario at an estimated cost of more than $100 million."

Advanced geothermal technology -- deep drilling to fracture rock far underground -- threatens to cause earthquakes when deployed along faults. The Energy Department is funding private firms to try such projects in the U.S.