ScienceDaily (Nov. 14, 2007) — The first "State of the Carbon Cycle Report" for North America, released online this week by the U.S. Climate Change Science Program, finds the continent's carbon budget increasingly overwhelmed by human-caused emissions. North American sources release nearly 2 billion tons of carbon into the atmosphere each year, mostly as carbon dioxide. Carbon "sinks" such as growing forests may remove up to half this amount, but these current sinks may turn into new sources as climate changes.Click on the TITLE to view the full article.
The full report, Draft 4, May 2007 is available under "Environmental Science" topic on the left side of this web page.