Too late on global warming? Has climate change pushed the world past its tipping point — the stage at which melting of the Greenland ice cap becomes irreversible and oceans eventually rise 6.5 metres? [News Source]

Biofuels should be on fast track. Motorists in Georgia are in a sour mood as gasoline prices have begun creeping back toward $3 a gallon. At the same time, drivers in Brazil are filling their tanks with cheaper, less-polluting fuel made from homegrown sugar. [News Source]

Who’s afraid of a little heat? Maybe a PR makeover would make global warming a little scarier. [News Source]

Study: Vegetarian diets healthier for planet, people than meat diets. The food that people eat is just as important as what kind of cars they drive when it comes to creating the greenhouse-gas emissions. [News Source]

DEP chief says Pa. close to getting ethanol plant. PA is close to getting its first ethanol plant and could become the nation's largest producer of soy-based fuel additives within a year. [News Source]

Oh, soy! State pumps ethanol. Pennsylvania is close to getting its first ethanol plant and could become the nation's largest producer of soy-based fuel additives within a year, the state's environmental protection chief said Friday. [News Source]

Falling ice perplexes scientists. The skies are raining big chunks of ice, and experts ranging from scientists to federal investigators are scrambling to learn what's going on. [News Source]

Abandoned walruses linked to melting ice. Arctic researchers who discovered a surprising number of abandoned baby walruses say melting sea ice may be the culprit. [News Source]

Hospitals switch on to greener electricity supplies. As concern about the impact of climate change increases, new measures are being taken to ensure existing Welsh hospitals are more energy-efficient and conscious. [News Source]

Report claims Aspen’s future is melting away. By 2085, Aspen's climate and snowpack could be a lot like that in Santa Fe, NM: 18°F warmer, 43% less snow pack and shorter ski seasons. [News Source]

Three billion lives hang on three degrees, warns scientist. Global temperatures are set to rise by more than 3C, sparking a massive drought that could put 400 million people at risk of hunger, the government's chief scientific adviser has warned. [News Source]