The latest edition of Our Changing Planet, USGCRP's annual report to Congress, highlights progress in advancing science, informing decisions, conducting assessments, and engaging with diverse audiences. The report also spotlights interagency priority areas, including climate predictions, global change in the Arctic, water extremes, and actionable science.
May 6, 2015
Oceans, Physical Climate, Observations, Mitigation, Land Use & Land Cover, Coasts, Ecosystems & Biodiversity, Carbon Cycle, Arctic, Agriculture & Food, Energy, Cities & Infrastructure, Indicators, Human Health, Adaptation
A new section of GlobalChange.gov features indicators that visually communicate some of the key aspects and effects of climate change . Users can provide feedback to help shape a broader indicators system that will inform the next National Climate Assessment.
Apr 12, 2015
Physical Climate, Mitigation, Carbon Cycle, Arctic
A new synthesis published in Nature suggests that thawing Arctic permafrost will release greenhouse gases gradually, rather than in a sudden "bomb". The gradual rate of these natural emissions may give society more time to adapt to their effects, but they remain a challenge for climate mitigation .
Dec 9, 2013
Oceans, Physical Climate, Modeling, Arctic, Extreme Events
US CLIVAR ( Climate Variability and Predictability Program) has released a new Science Plan outlining its research goals and strategies for the next 15 years.
Jun 12, 2013
Physical Climate, Modeling, Carbon Cycle, Arctic
NASA's Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) is probing deep into the frozen lands above the Arctic Circle in Alaska to measure emissions of the greenhouse gases carbon dioxide and methane from thawing permafrost signals that may hold a key to Earth's climate future.
Feb 12, 2013
A recently published report summarizes past and present-day changes in the Earth’s cryosphere and describes the ongoing and potential effects of those changes.
Jul 25, 2012
Observations, International, Arctic
For several days this month, Greenland's surface ice cover melted over a larger area than at any time in more than 30 years of satellite observations.
Jun 1, 2012
Physical Climate, Observations, Carbon Cycle, Arctic
The concentration of carbon dioxide in the atmosphere of Barrow, Alaska, reached 400 parts per million (ppm) this spring, according to NOAA measurements, the first time a monthly average measurement for the greenhouse gas attained the 400 ppm mark in a remote location.
May 2, 2012
Ecosystems & Biodiversity, Arctic
Data collected from long distance swims by polar bears suggest that they do not stop to rest during their journey.
Mar 27, 2012
Carbon Cycle, Arctic
A new study by USGS scientists and university researchers reveals that a substantial amount of organic carbon on Alaskan glaciers comes from atmospheric deposition of fossil fuel emissions.