The United States will be a much hotter place, precipitation patterns will shift, and climate extremes will increase by the end of the 21st century, according to reports released in January 2013 by the National Oceanic and Atmospheric Administration (NOAA) in support of the National Climate Assessment (NCA).
PostedMay 15, 2013
Physical Climate, Observations, Carbon Cycle
On May 9, 2013, the daily mean concentration of carbon dioxide in the atmosphere surpassed 400 parts per million (ppm) for the first time since measurements began in 1958 at Mauna Loa Observatory in Hawaii.
PostedFeb 6, 2013
Ecosystems & Biodiversity
While the iconic Haleakal silversword plant made a strong recovery from early 20th century threats, it has now entered a period of substantial climate-related decline. New research published this week warns that global warming may have severe consequences for the silversword in its native habitat.