Politics, money blur climate change picture. Achieving meaningful reductions in greenhouse gases that cause global warming could result in higher taxes and electric bills while also driving up costs for everything from food to electronics. Third of four parts. [News Source]

Energy teams see different shades of green. Facing soaring gasoline prices and the prospect of sky-high heating bills this winter, presidential rivals Barack Obama and John McCain have assembled teams of top-notch energy advisers to formulate some solutions. [News Source]

Greenhouse gas threatens food chain. The predicted rise of atmospheric carbon dioxide will wreak havoc on krill, the tiny crustacean at the heart of the Antarctic food web, a study has shown. [News Source]

It’s too late for polar bears, one in five say. Twenty percent of Australians believe it is too late to save polar bears from extinction - and experts are not much more optimistic. [News Source]

Pollution may hit Himalayan monsoon clouds. Higher levels of pollution in Asia may affect the formation of clouds high in the Himalayas, perhaps disrupting monsoons and speeding a thaw of glaciers, according to a study on Monday. [News Source]

Sheila Watt-Cloutier - Hero of the environment. The Arctic is warming faster than any other region on earth, and the changes have left its residents reeling. Through it all, nobody has done more than Watt-Cloutier to publicize the upheaval and to champion the rights of those affected. [News Source]

Exotic species of spiders are making their homes in the UK. Researchers believe arachnids arriving in imports of food and plants are now able to survive and spread thanks to the UK's increasingly mild climate. [News Source]

Bad weather was good for Alaska glaciers. Two hundred years of glacial shrinkage in Alaska, and then came the winter and summer of 2007-2008. [News Source]

Lonnie Thompson - Hero of the environment. Lonnie Thompson's most lasting accomplishment may be his powerful eyewitness record of climate change: the rapid retreat of alpine glaciers over the past few decades is one of the most unequivocal signs of global warming in action. [News Source]

Researchers attempt to link climate change to increase in hurricane activity. The National Centre for Atmospheric Research in collaboration with federal agencies has launched an intensive study to examine how global warming will influence hurricanes particularly in the hurricane-prone areas. [News Source]

New homes on the range: species shift across Yosemite. Repeating a century-old survey, ecologists find that global warming is forcing mammals in the national park up and, potentially, out [News Source]