Two photographs, taken 18 months apart, show a significant decrease in Lake Powell during the most serious period of recent drought.
Has global warming stopped? That's what some people claim, based on global temperatures recorded since 1998. But, scientists say, not setting a new record high temperature each year doesn't mean the globe is cooling.
At the United Nations Climate Change Conference, Dr. Alexander E. “Sandy” MacDonald, of NOAA, used Science on a Sphere® to illustrate how climate change will transform the planet if humans do not reduce emissions of greenhouse gases.
What Scientists Know Today About Climate
October 22, 2009
What Is Causing Global Climate Change?
October 22, 2009
On September 12, the extent of sea ice in the Arctic reached the third lowest level ever recorded since satellite records began in 1979. Only 2007 and 2008 have had smaller ice extents than 2009.
Coral reefs are important and productive ocean ecosystems, providing shelter and protection for diverse sea life. NOAA's latest seasonal outlook for coral bleaching shows potential for bleaching along the Pacific coast of Mexico and islands in the equatorial central Pacific Ocean.
Carbon dioxide is everywhere: in the air, rising from cracks in the ocean floor, and in your soda can. Now it's showing up in the news! Find out why carbon dioxide is such a hot topic, and why it's going to be around for a long, long time.
The Origin and Impacts of Ocean Acidification, Part 3
September 30, 2009
The Origin and Impacts of Ocean Acidification, Part 2
September 30, 2009