US wants to move on climate change. The Obama administration, in a major environmental policy shift, is preparing to ask 195 nations that ratified the U.N. ozone treaty to enact mandatory reductions in hydrofluorocarbons, according to U.S. officials and documents obtained by The Associated Press. [News Source]

Barack Obama’s 100 days: Green measures. Barack Obama promised on his very first day in the White House to help move America towards a new green future. Now, 100 days on, environmentalists in general have been impressed by the speed and sheer sweep of Obama's efforts. [News Source]

Climate crunch: A burden beyond bearing. The climate situation may be even worse than you think: Keeping carbon dioxide beneath dangerous levels is tougher than previously thought. First of three parts. [News Source]

The grid may be smart, but will it also be green? The push is on to make the nation's aging electricity grid smarter. Many assume that a smart grid will also be a green grid--delivering clean electricity and helping to address climate change. But that's not necessarily so. Sixth of 10 parts. [News Source]

U.N.’s top climate change official: A new willingness to tackle emissions. Major developing countries like China are doing far more to address climate change than most Americans realize. [News Source]

FedEx to boost biofuel use to cut costs, emissions. FedEx Corp. will attempt to get 30 percent of its fuel from petroleum alternatives by 2030 to slash the shipping giant's air-transportation costs and greenhouse gas emissions, the company's chairman, president and CEO said today. [News Source]

In the climate change debate, it’s all about jobs. As House leaders launched an aggressive push on global warming legislation last week with four days of intensive hearings, the focus was squarely on jobs and the economic impact of trying to limit greenhouse gas emissions. [News Source]

Hundreds of miles of ice drop from Antarctic shelf. New satellite images from the European Space Agency show massive amounts of ice are breaking away from a shelf on the western side of the Antarctic Peninsula, researchers said today. [News Source]

Iceland’s Karahnjukar dam in peril. Built as a means to create jobs in East Iceland, the Karahnjukar dam is supposed to use green energy to improve Iceland's economy. But global warming and a global economic crisis are raising questions if this green energy is sustainable. Video. [News Source]

Bangladesh fears rising seas ‘devastating’. Low-lying Bangladesh risks devastating impacts from rising world sea levels caused by climate change with risks that millions will be forced from their homes this century, Foreign Minister Dipu Moni said. [News Source]

Wake up call to world leaders. Scientists' recent finding that ice sheet of the Arctic and glacier of mountains may disappear by mid-21st century causing the sea level to rise up to one metre within this century is a matter of great worry for the world, said Nobel Laureate Al Gore on Tuesday. [News Source]