NOAA predicts a busy 2011 season for Atlantic hurricanes. Chris Landsea of the National Hurricane Center explains more about the 2011 Atlantic Hurricane season.
Our water use has the potential to reach peak limits. Water expert Peter Gleick said we've already hit peak limits in many parts of the world. Read more about peak water.
Biological oceanographer Nancy Rabalaisthe speaks with EarthSky about how the extreme flooding of the Mississippi River in spring 2011 might result in the largest-ever dead zone in the Gulf of Mexico.