News
Climate change’s impact intensifies as U.S. prepares to take action
The Arctic is warming at a much faster rate than many scientists had expected, one of several recent indicators providing evidence of climate change’s intensifying impact on the planet.
Related Knowledge Center: Climate science
State of Play
What began as a theory in the 1890s — that industrial emissions of carbon dioxide could increase global temperatures — had progressed to a scientific fact a century later. Scientists across a range of disciplines are studying the impact of the still-growing concentration of carbon dioxide and other so-called “greenhouse gases” in the atmosphere as they call for industrial and governmental policies to slow, then halt, the warming of the planet.