environmental research web, April 24, 2009Uh, we already knew this, but let's just repeat it all together, now: "Natural causes" not responsible for global warming Researchers from Lancaster and Durham universities in the UK say that natural causes,

Nature, 458 (2009) 1091–1094 (published online 29 April 2009); doi:10.1038/4581091a.Climate crunch: A burden beyond bearing The climate situation may be even worse than you think. In the first of three features, Richard Monastersky

Nature, 458, 1104-1105 (30 April 2009), published online 29 April 2009; doi: 10.1038/4581104a. The worst-case scenarioStephen H. Schneider1 Stephen H. Schneider is professor of interdisciplinary environmental studies and biology, and a senior fellow

Climate Progress blog by Joseph Romm As the major emitters convene, is China ready for an emissions targets? Part 1 Posted: 29 Apr 2009 05:53 AM PDT Senior advisors to the Chinese leadership, such as climate change negotiator Su Wei, below,

Remarks of President Barack Obama, National Academy of Sciences, Washington, April 27, 2009 Well, thank you so much for the wonderful welcome. To President Cicerone, thank you very much for your leadership and for hosting us today. To John Holdren, thanks,

Al Gore Calls For Swift Action On Melting Ice CBS News Interactive: Global Warming Former U.S. Vice President Al Gore

Proceedings of the National Academy of Sciences, published online before print April 13, 2009; doi: 10.1073/pnas.0901438106. PNAS, 106 (17), 7063-7066.Temperature sensitivity of drought-induced tree mortality portends increased regional die-off under