We’ve known that carbon dioxide concentrations have been dangerously high, and rising, for a while now. We’ve also known that the gas gets trapped in the atmosphere, causing the so-called greenhouse effect and leading to rising temperatures. But in new research published Wednesday in the journal Nature, scientists show for the first time the link between the rising CO2 and the rising greenhouse effect on the surface of the Earth, not just in a laboratory. And they directly attribute their findings to fossil-fuel emissions.
The scientists looked at how carbon dioxide perturbs the Earth’s energy balance through a measure called “radiative forcing.” They observed radiation wavelengths in Alaska and Oklahoma over the period of 11 years, from 2000 to 2010, finding that carbon dioxide was to blame for an increase in radiat...
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