Climate Impacts

Global sea ice thumbnail

NASA ice expert Claire Parkinson does the math on global sea ice and confirms that small gains around Antarctica do not cancel out large losses in the Arctic.

Saturday, January 1, 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.