Posts Tagged ‘world climate change’

Global Energy Is Out Of Balance – Report from NASA

February 2nd, 2012

A new study released by NASA provides further evidence that greenhouse gases are the main
driving force behind global warming.

The study looked at the planet’s energy imbalance, which calculates the difference between
the amount of solar energy absorbed by the surface of the Earth and the amount that’s sent
back to space as heat. According to the calculations derived from the study, between 2005
and 2010 the Earth absorbed more heat than it gave off, in spite of lower than usual solar activity.

When the imbalance is positive — that is, when the planet absorbs more heat than it gives
off — it means that global temperatures are growing warmer.

“The fact that we still see a positive imbalance despite the prolonged solar minimum
isn’t a surprise given what we’ve learned about the climate system,” explained James Hansen,
director of NASA’s Goddard Institute for Space Studies. “But it’s worth noting because this
provides unequivocal evidence that the sun is not the dominant driver of global warming,”

The data was gathered using a network of floating temperature monitoring devices, which
NASA has dubbed Argo. The data gathered from the 3,400 floats was then combined with ground-based
and satellite data to form the basis of the study.

Source – pcmag