President Barack Obama pledged Thursday to expand the largest ocean sanctuary to 490,000 square miles, six times its current size. The PBS NewsHour has been following how ocean acidification has impacted marine life and the Americans who depend on them.
By Molly Ward
In June, the tiny Pacific island nation of Kiribati purchased nearly 6,000 acres of land on a Fijian island to potentially serve as refuge for citizens forced to relocate as rising sea levels make the country unlivable.
By Hari Sreenivasan and Victoria Pasquantonio
A study in Science reveals that a massive reservoir of water -- in its molecular form -- may lie hundreds of miles below the earth’s surface and may hold more water than the earth’s oceans.
By PBS NewsHour
With help from fisherman and citizen scientists, researchers in Japan and the U.S. are tracking the nucleotides in the ocean creatures who swim in the plume of water tainted with radiation from Fukushima. Their research is part of a long-term…
Rebuilding mussel beds and marshes offer natural protection and clean the water.
Maine company deploys nation’s first commercial, grid connected tidal energy project.
By Rebecca Jacobson, Inside Energy
Hurricane Sandy, which is being called a "superstorm", began bearing down on the East Coast of the United States on Monday. Cities in New York, Delware and New Jersey saw flooding before the hurricane made landfall. These photos follow Sandy's…
Storms, Starfish and Warmer Waters Wiped out Half of Great Barrier Reef Coral…
Native Americans' tribal lands along the Louisiana coast are washing away as sea levels rise and marshes sink. Part of our Coping with Climate Change series, Hari Sreenivasan reports from Isle de Jean Charles, a community that is slowly disappearing…
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