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.
PostedSep 21, 2014
Scenarios, Observations, Mitigation, International, Carbon Cycle, Energy
According to the new Global Carbon Budget for 2014, carbon dioxide emissions reached a record high in 2013 and are on track to do so again this year.
PostedSep 10, 2014
Oceans, Observations, International, Ecosystems & Biodiversity, Carbon Cycle
According to the UN’s World Meteorological Organization (WMO), a surge in carbon dioxide levels drove the amount of greenhouse gases in the atmosphere to a record high in 2013. Greenhouse gas levels rose more between 2012 and 2013 than at any time in the last 30 years.
PostedAug 21, 2014
Physical Climate, Observations, Modeling, Mitigation, Carbon Cycle
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
Physical Climate, Observations, Carbon Cycle
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
Physical Climate, Observations, Human Health, Extreme Events
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 29, 2014
Oceans, Physical Climate, Observations, Ecosystems & Biodiversity, Education, Indicators, Human Health
A new EPA report presents a set of 30 indicators that track the causes and effects of climate change . Written for general audiences, the report aims to help readers understand long-term climate-related trends observed across the atmosphere, oceans, snow and ice, ecosystems, and public health.