Many regions of the United States are struggling with water shortages. Large areas of the West are contending with moderate to severe drought, while California is now in the fifth year of one of the most extreme droughts in its history. Even non-arid regions, such as the Southeast, are not exempt from water shortages. At the same time, rapid population growth is increasing water demand in many of the nation’s most water-scarce regions, including California, Nevada, Arizona, Texas and Florida.
Researchers have discovered a link between disappearing Arctic sea ice and dogged weather systems that are rapidly melting the surface of Greenland.
Global climate change is altering the world’s oceans in many ways. Some impacts have received wide coverage, such as shrinking Arctic sea ice, rising sea levels and ocean warming. However, as the oceans warm, marine scientists are observing other forms of damage.