Potential first direct observation of CO2 effect at the Earth's surface

Potential first direct observation of CO2 effect at the Earth's surface
Berkeley CA (SPX) Feb 26, 2015 - Scientists have observed an increase in carbon dioxide's greenhouse effect at the Earth's surface for the first time. The researchers, led by scientists from the US Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), measured atmospheric carbon dioxide's increasing capacity to absorb thermal radiation emitted from the Earth's surface over an eleven-year period at two loc ... morehttp://www.terradaily.com/reports/First_direct_observation_of_carbon_dioxides_increasing_greenhouse_effect_at_the_Earths_surface_999.html