The International Panel on Climate Change (IPCC) -- the main UN international group studying climate change -- has released the second installment of the IPCC fourth assessment report enitled "Impact, Adaptation and Vulnerability" [more | more2]. Building on February's IPCC report which found human greenhouse gas emissions are very likely to be the main cause of recent warming, thousands of the world's leading climate scientists concurred that heat-trapping emissions from industry and other activities are already influencing weather patterns and ecology. A further increase in global average temperatures of 3-5 degrees F is expected to lead to a wide variety of climate change exacerbated disasters including droughts, floods, hunger, disease, extinction of at least a fourth of the world's species, loss of vital global natural areas like the Amazon and Great Barrier Reef, and inundation of coasts and islands occupied by hundreds of millions of people.
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