The Intergovernmental Panel on Climate Change (IPCC) released its Synthesis Report on Sunday, confirming that warming in the climate system is unequivocal and, if left unaddressed, will increase the likelihood of pervasive, irreversible damage to the environment and society. However, options to limit climate change and adapt to its impacts are available.
PostedOct 22, 2014
The latest edition of Our Changing Planet, USGCRP's annual report to Congress, gives an overview of the Federal global change research enterprise, with plain-language highlights spotlighting recent efforts to advance science and support societal needs.
PostedOct 10, 2014
A new report investigates the causes of extreme weather and climate events that occurred around the world in 2013, finding evidence for both human and natural influences.
PostedAug 21, 2014
New NASA research shows that Earth's atmosphere contains an unexpectedly large amount of carbon tetrachloride (CC14), an ozone-depleting chemical that was banned worldwide decades ago. According to the study, global emissions of CCl4 average 39 kilotons per year—approximately 30 percent of peak emissions prior to its banning.
PostedJul 2, 2014
Early this morning, NASA launched the Orbiting Carbon Observatory (OCO-2), a new science satellite that will measure Earth's output and uptake of carbon dioxide—the leading greenhouse gas responsible for climate change.
PostedJun 25, 2014
Both NASA and NOAA have ranked May 2014 as the planet’s hottest May since records began in 1880. UPDATE: Since this article was published, June 2014, August 2014, September 2014, and October 2014 have also set records for monthly average temperatures.
PostedMay 20, 2014
A NOAA-led study finds that over the past 30 years, the location where tropical cyclones reach maximum intensity has been shifting toward the poles in both the northern and southern hemispheres at a rate of about 35 miles, or one-half degree of latitude, per decade.