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Solar panels perched atop poles provide a low voltage current that causes a chemical reaction in seawater, building up limestone on the electrified metal. The ready supply of shell-building
minerals will help the oysters, decimated here and
elsewhere by overharvesting, pollution, and disease, says James Cervino, a professor of marine biology at Pace University in New York City. Oysters need hard surfaces to attach to and access to minerals to form their shells. (
Ecuador has become the first nation in the world to grant constitutional rights to the natural environment. On
Sept. 28, the country voted for a new constitution that, among other changes, gives many of the same
rights to rivers, forests, plants and animals as it does to people. (
In celebration of 50 years of NASA, take a look at 50 innovations that, thanks to space exploration, have made our lives better -- everything from safer food and the light emitting diode (LED) to cleaner oceans and faster rescues of hikers and mountaineers. (
Indonesian authorities have pledged to stop the devastating loss of forests and species in Sumatra, one of the world's most ecologically important hotspots. To protect the homes of iconic species like the tiger, orangutan, rhinoceros and elephant, all ten governors on the island have committed to obey the principles of "ecosystem-based planning", where any projects detrimental to ecological health would be banned.
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