Climate Impacts

In mid-November, California canceled the opening of its Dungeness crab fisheries, the latest in a series of closures up and down the U.S. West Coast this summer and fall linked to an unusually widespread bloom of toxic algae that thrives in warm waters.

January 2011

  • El Niño and La Niña can significantly alter seasonal climate conditions, such as temperature and rainfall patterns, in many parts of the world. Scientists Brad Lyon and Paul Block explain the potential impacts of La Niña in different parts of Africa.

  • More than half of the United States experienced heat, drought, or flooding during 2011, demonstrating the power and momentum of climate extremes.

  • Few winter storms and El Niño conditions brought severe drought conditions to the Hawaiian Islands this past year.