25 febrero 2015
Scientists have observed an increase in carbon dioxide’s greenhouse effect at Earth’s surface for the first time. They measured atmospheric carbon dioxide’s increasing capacity to absorb thermal radiation emitted from Earth’s surface over an 11-year period at two locations in North America. They attributed this upward trend to rising carbon dioxide levels from fossil fuel emissions.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/SGqJiznPeTQ/150225132103.htm
