Sci/tech

Five Chlorine Plants Refuse Mercury-Free Technology
July 25, 2007 12:00 AM - Oceana

Five chlorine plants that are among the top mercury polluters in the United States would reap economic benefits if they eliminated mercury in chlorine production, Oceana (www.oceana.org) said today in a new report. The report analyzed over 115 chlorine plants that are shifting or have successfully shifted from mercury-based technology.

Astronauts Toss Space Junk
July 23, 2007 12:00 AM - Marcia Dunn, Associated Press

Two astronauts ventured outside the international space station Monday to rid it of some large pieces of junk. NASA spacewalker Clayton Anderson, a sportsman who enjoys officiating basketball back on Earth, had the chore of heaving a 1,400-pound, refrigerator-size ammonia tank overboard.

Space Station Crew Prepare to Dump Space Junk
July 20, 2007 12:00 AM - Irene Klotz, Reuters

Two crewmen aboard the International Space Station Thursday prepared for a spacewalk during which more than 1,600 pounds of obsolete gear will be tossed overboard and left to burn up in Earth's atmosphere.

Experts Plan Rating System for El Nino
July 16, 2007 12:00 AM - Randolph E. Schmid, Associated Press

Hurricanes and tornadoes have popular rating scales that help people understand their power. Now, weather experts are planning a similar way to measure the El Nino phenomena that affect climate worldwide.

System Relies on Ice To Chill Buildings
July 16, 2007 12:00 AM - Colleen Long, Associated Press

Some office towers and buildings have found a way to stay cool while keeping the AC to a minimum -- by using an energy-saving system that relies on blocks of ice to pump chilly air through buildings.

Navy Wins Permission To Keep Using Newer Sonar Technology, over Environmentalist Concerns
July 13, 2007 12:00 AM - Audrey McAvoy, Associated Press

The federal government wants to extend by five years its rules allowing the Navy to use a new low-frequency sonar, despite objections from environmentalists that the technology may harm whales and dolphins.

Scientists Detail Cost of Global Warming
July 13, 2007 12:00 AM - Angela Delli Santi, Associated Press

Wilting heat, deadly storms, flash floods, coastal erosion, more days with unhealthy air -- those are just some of the effects of rising temperatures on the Northeast, a group of scientists reported Wednesday.

Coral Shuffle Helps Reefs Survive Warmer World
July 13, 2007 12:00 AM - Reuters

Australia's Great Barrier Reef might be able to survive warming sea temperatures, as a result of global warming, better than first thought because some coral algae are more heat tolerant, Australian scientists said.

Ugandan Refugees Go Online
July 12, 2007 12:00 AM - Tim Cocks, Reuters

Refugees forced into crowded camps by northern Uganda's two-decade civil war need many things: food, doctors, toilets, bore holes for drinking water, schools -- and computers?

Malaysia To Try To Clone Threatened Turtles
July 12, 2007 12:00 AM - Reuters

Malaysia is launching a $9 million project to try to clone some of its threatened leatherback turtles in a last-ditch bid to save them from extinction.

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