News tagged with atmospheric gases

Separating signal and noise in climate warming

(PhysOrg.com) -- In order to separate human-caused global warming from the "noise" of purely natural climate fluctuations, temperature records must be at least 17 years long, according to climate scientists.

Nov 17, 2011
4.5 / 5 (8) 7 | with audio podcast

Gravestones Talking through Time

(PhysOrg.com) -- A visit to your local graveyard can provide not only a history lesson, but a science lesson as well. Historians know that gravestones can reflect the lives of people whose memories are lost ...

Dec 08, 2009
4.4 / 5 (8) 0

Spain receives ever more solar radiation

Solar radiation in Spain has increased by 2.3% every decade since the 1980s, according to a study by researchers from the University of Girona and the Federal Institute of Technology (ETH) in Zurich. This ...

Jun 06, 2013
4.6 / 5 (7) 0

Radio waves carry news of climate change

The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long ...

Jul 30, 2013
4 / 5 (8) 1

Cracking the ice code

(Phys.org) —What happened the last time a vegetated Earth shifted from an extremely cold climate to desert-like conditions? And what does it tell us about climate change today?

May 20, 2013
3.8 / 5 (8) 2 | with audio podcast

NOAA greenhouse gas index continues to climb

NOAA's updated Annual Greenhouse Gas Index (AGGI), which measures the direct climate influence of many greenhouse gases such as carbon dioxide and methane, shows a continued steady upward trend that began with the Industrial ...

Nov 09, 2011
4.5 / 5 (6) 3