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.
Global land and sea surface temperatures in August 2009 broke several records. The world’s ocean surface temperature was the warmest for any August on record.
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 Southern Oscillation Index tracks differences in air pressure between the eastern and western sides of the tropical Pacific.
What’s ahead for May, as we draw closer to the start of summer? Here’s what NOAA’s Climate Prediction Center (CPC) expects to occur during the month.
March 2025 temperatures for the contiguous U.S. were the sixth-warmest in the 131-year record. Precipitation ranked in the middle third of the historical record.
