Irene, the 1st hurricane of the 2011 Atlantic hurricane season, formed on August 20. Meteorologists expect it to impact the Southeast U.S. later this week.
World Water Week in Stockholm - an annual meeting to discuss our planet’s crucial water-related issues - focuses in 2011 on water issues related to urbanization.
The animation illustrates ice flowing thousands of miles from the heart of the continent seaward on Antarctica to its coastlines. The map shows more detail.
A team has direct physical evidence - microscopic fossils from a North Carolina salt marsh - that sea level rise is faster now than in the past 2,000 years.