"By showing that Arctic climate change is no longer just a problem for the polar bear, a new study may finally dispel the view that what happens in the Arctic, stays in the Arctic."

"TOKYO — The damage to one of three stricken reactors at the Fukushima Daiichi plant could be worse than previously thought, a recent internal investigation has shown, raising new concerns over the plant’s stability and complicating the post-disaster cleanup."

"Why did the atmosphere contain so little carbon dioxide (CO2) during the last Ice Age 20,000 years ago? Why did it rise when the Earth's climate became warmer? Processes in the ocean are responsible for this, says a new study based on newly developed isotope measurements. This study has now been published in the scientific journal 'Science' by scientists from the Universities of Bern and Grenoble and the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association."

"SYDNEY, Australia -- Earth Hour 2012 organizers are jubilant today after a satisfyingly successful global event on March 31. Lights went out at 8:30 pm local time as Earth Hour circled the world through a record 150 countries and territories, with 6,494 towns and cities participating."

"WASHINGTON -- The leaders of the United States, Mexico, and Canada [Monday] pledged to develop 'continental energy, including electricity generation and interconnection' across national borders and welcomed 'increasing North American energy trade.'"

"LYON, France -- For the first time, heads of environmental, biodiversity and natural resources agencies from across the world have met with heads of law enforcement agencies to craft a global compliance and enforcement strategy for environmental security."

What do meltwater surges at the end of the last Ice Age tell us about the manmade climate change that is happening today?

"After careful analysis of oil prices and months of negotiations, President Obama on Friday determined that there was sufficient oil in world markets to allow countries to significantly reduce their Iranian imports, clearing the way for Washington to impose severe new sanctions intended to slash Iran’s oil revenue and press Tehran to abandon its nuclear ambitions."

"Kelp off Southern California was contaminated with short-lived radioisotopes a month after Japan’s Fukushima accident, a sign that the spilled radiation reached the state's coastline, according to a new scientific study."