Via the Potsdam Institute for Climate Impact Research: Tipping Elements in the Earth System: How Stable is the Contemporary Environment? 12/08/2009 – A Special Feature of the “Proceedings of the National Academy of Sciences” presents the latest scientific insights on so-called tipping elements in the planetary environment. These elements have been identified as the most vulnerable large-scale components of the Earth System that may be profoundly altered by human … Read more How Stable is the Contemporary Environment?
Via Juan Cole’s Informed Comment blog: Top Ten Questions about Climate Change on the Eve of Copenhagen Is the earth’s climate warming? Indisputably. Has the pumping of vast amounts of carbon dioxide into the atmosphere by human beings since the beginning of the Industrial Revolution contributed to global climate change? Also, indisputably. Would extra carbon dioxide in the atmosphere cause warming? In the absence of some sort of offset, … Read more Juan Cole's Top Ten Questions for Copenhagen
Copenhagen climate change conference: ‘Fourteen days to seal history’s judgment on this generation’ This editorial calling for action from world leaders on climate change is published today by 56 newspapers around the world in 20 languages Article history Today 56 newspapers in 45 countries take the unprecedented step of speaking with one voice through a common editorial. We do so because humanity faces a profound emergency. Unless we combine … Read more Fourteen days to seal history's judgment on this generation
Press release by the Potsdam Institute for Climate Impact Research (PIK) 11/11/2009 The nature of past Antarctic temperature lead over carbon dioxide is clarified The analysis of past changes of Antarctic temperature and the concentration of greenhouse gases alone cannot reveal causal relationships in the climate system. A recent modeling study shows that several climate processes need to be taken into account to discern causes and consequences. In the … Read more Antarctic Temperature & Carbon Dioxide
Interesting speculations in this week’s New Scientist cocnerning what Earth will look like after we are through with it (& it with us, of course). Below, the opening paragraphs of Bob Holmes’ piece. You can read the full article here. Post-human Earth: How the planet will recover from us WHEN Nobel prize-winning atmospheric chemist Paul Crutzen coined the word Anthropocene around 10 years ago, he gave birth to a … Read more Anthropocene: the Shortest Geological Epoch?
By CHARLES J. HANLEY (AP) – 7 hours ago MACKENZIE RIVER DELTA, Northwest Territories — Only a squawk from a sandhill crane broke the Arctic silence — and a low gurgle of bubbles, a watery whisper of trouble repeated in countless spots around the polar world. “On a calm day, you can see 20 or more `seeps’ out across this lake,” said Canadian researcher Rob Bowen, sidling his small … Read more Bubble & Squeak
From: Yale Daily News, Nov. 14, 2008[Printer-friendly version] STUDY WARNS OF ENVIRONMENTAL CRISIS By Stephannie Furtak If new research by Yale scientists is any indication, it may alreadybe too late for the environment. An international team of 10 researchers — including Yale professorsof geology and geophysics Mark Pagani and Robert Berner — determinedthat current levels of carbon dioxide have already surpassed theestimated cutoff level that would cause damage to … Read more ENVIRONMENTAL CRISIS