'The End of Civilization'?

"A few climate scientists are beginning to question whether some dire predictions push the science too far," The Houston Chronicle reports.

Hmm, you think?

"We face a challenge in the conservation of democracy that we must be up to in order to save the climate balance on which our civilization depends." -- Al Gore

"Disease spread by global warming could kill an extra 185 million people in sub-Saharan Africa by the end of the century and turn millions more into refugees unless rich nations take action now." -- Christian Aid.

"We have less than 10 years." -- James Hansen, NASA scientist

"The earth has a fever that could boost temperatures by 8 degrees Celsius making large parts of the surface uninhabitable and threatening billions of people's lives ... A hot earth couldn't support much over 500 million." -- James Lovelock, climatologist

"The Amazon rain forest could become a desert." -- Woods Hole Research Centre

"40 percent species face extinction." -- the British government

"Two-thirds of world species could be on route to extinction by the end of this century." -- Peter Raven, Director of the Missouri Botanical Garden

"One quarter of world's mammals face extinction within 30 years." -- The UN

"By 2050, rising temperatures exacerbated by human-induced belches of carbon dioxide and other greenhouse gases could send more than a million of Earth's land-dwelling plants and animals down the road to extinction." -- Chris Thomas, conservation biologist

UPDATE: Science Direct reports: "Global warming possibly linked to an enhanced risk of suicide."