Graph of the day: world temperature record between 1880 and 2011, showing annual and 5-year mean temperature, NASA’s Goddard Institute for Space Studies (GISS) data. Image credit: NASA Earth Observatory, Robert Simmon.
To notice something is going on with the world’s ice sheets, you could measure melting water runoff, glacier retreat or use satellites and GPS to measure ice volume decline. Just like measuring sea level rise and temperature this all adds … Continue reading
We knew CO2 emissions reached a new record high in 2010, at 30.6 gigatonnes. Now a new study by CICERO, the Tyndall Centre and other institutes reconfirms the strong rebound after the 2008 global financial crisis – and predicts that … Continue reading
Our most important source for knowledge about past life is the fossil record. But how exact is it in telling us about the history of life? According to a new study in Science the evolution of marine life over the … Continue reading
Whom would you rather believe? The world’s three best-established atmospheric research institutes – or a Berkeley dream team with the current Physics Nobel Prize laureate, backed up by the largest collection of land temperature measurements ever? So sorry to confuse … Continue reading
In April the WMO announced the Arctic ozone hole had reached record proportions – perhaps even doubling the previous depletion record of 2005, a Nature publication recently added. On the southern hemisphere the story seems much the same. New data … Continue reading
The Antarctic ozone hole was big news in the eighties. It was a clear sign of man’s detrimental influence on our planet. Now the ozone layer over the Arctic is so thin that for the first time it can be … Continue reading