Archive by date | November 2009

Powering a green planet

“sciam_special.jpg”Before it goes out of fashion, it’s worth checking out the November issue of Scientific American, which is a sustainability special. What’s most impressive is the online interactive version of one of their articles ‘Powering a green planet: a path to sustainable energy by 2030’.  Read more

China commits to ‘carbon intensity’ reduction

China commits to ‘carbon intensity’ reduction

Daniel Cressey; cross-posted from The Great Beyond China has announced it will reduce its carbon dioxide emissions per unit of GDP by between 40 and 45% of 2005 levels by 2020. “Appropriate handling of the climate change issue is of vital interest to China’s social and economic development and people’s fundamental interests, as well as the welfare of all the people in the world and the world’s long-term development,” says the country’s State Council (Xinhua). The Chinese announcement came barely hours after US President Barack Obama announced he would put a 17% below 2005 levels by 2020 offer on the  … Read more

CRU scientists in leaked data row respond

The online publication of sensitive material from a British climate centre is brewing into one of the scientific controversies of the year, causing dismay among affected institutes and individuals, reports Quirin Schiermeier over on Nature News [subscription].  Read more

Is east Antarctic ice melting?

Is east Antarctic ice melting?

Daniel Cressey; cross-posted from The Great Beyond The ice sheet covering east Antarctica may have been melting since 2006, according to new research, contradicting previous suggestions that it has remained stable or even grown in mass. Using measurements for 2002 to 2009 from a twin pair of satellites, researchers at the University of Texas at Austin in Austin, Texas, say east Antarctica is losing mass at about 58 gigatonnes a year. Most of the loss appears to be from coastal regions and to stem from increased ice loss post 2006. Previous studies have generally used satellites to measure elevation or  … Read more