Daily Roundup: May 20, 2011

Cryogenic Corals: The Smithsonian Conservation Biology Institute will freeze coral embryos with the goal of reviving threatened reefs, 50 to 1,000 years in the future. TreeHugger

Biggest Rig: Royal Dutch Shell will build the world's first floating natural-gas platform off Australia's coast. Wall Street Journal

Storm Warning: NOAA scientists predict a busy hurricane season for the Atlantic coast. National Geographic

Here Comes the Sun: Silicon Valley schools and Chevron are installing the largest solar array of any U.S. school district. Meanwhile, the DOE offered SolarReserve $737 million in loan guarantees to build a 110-megawatt plant in Nevada. Reuters and New York Times

Trouble in Paradise: After being exiled from the Chagos Islands to make way for a U.S. base turned marine reserve, should the native islanders be allowed to return home? Environmental groups can't agree. Guardian

--Christa Morris