Proceedings of the National Academy of Sciences Archives - Page 2 of 2

Scientists Develop Method for Measuring CO2 to Fight Global Warming – in the Event of…

May 15, 201212 years ago Glenn Meyers 3 Comments

University of Utah biologist Jim Ehleringer and colleagues at Harvard developed a new method to estimate carbon dioxide emissions and thus verify compliance with a greenhouse gas treaty — if the nations of the world ever agree to limit emissions of the climate-warming gas.

Humans Won't Survive on Half of Earth by 2300

May 13, 201014 years ago susan 22 Comments

Average global temperatures, that have been rising for a century already, due to anthropogenic climate change, won’t suddenly stop rising in 2100, say Australian and US scientists in a study just published in the Proceedings of the National Academy of Sciences. Up to half of the planet would become uninhabitable … [continued]