"With Washington frozen solid on climate, the Navy is breaking the ice."

"The antipoverty group Oxfam has come up with a scorecard that evaluates the impact that the supply chains of behemoth food companies have on water consumption, labor and wages, greenhouse gas emissions and nutrition."

"The rate of advanced breast cancer for U.S. women 25 to 39 years old nearly doubled from 1976 to 2009, a difference too great to be a matter of chance, a study finds."

"Alarms sounded and lights flashed as control panel dials at a nuclear power plant in upstate New York warned that the power for safety equipment was failing. The room went dark until the emergency lights kicked in. But there was no reason to worry on this frozen winter morning."

"The acting head of the U.S. Environmental Protection Agency (EPA) warned staff on Tuesday that it may place an unspecified number of jobs on temporary furlough if across-the-board federal budget cuts take effect at the end of this week."

"Maryland's highest court on Tuesday struck down the bulk of a fraud case against ExxonMobil Corp. stemming from an underground gasoline leak in Baltimore County, reversing most of $1.65 billion in judgments and dealing a stunning blow to hundreds of families."

"BOSTON -- Concerns have cropped up in recent years that the methane leaks from oil and gas fields could be large enough to pose a significant climate threat."