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Space & Earth science news 1234

N.M. cavers chart unique 'snowy' river of crystals

21 hours ago | User rating: 4.8 / 5 after 14 vote(s) | User comments: 3

(AP) -- Hundreds of feet beneath Earth's surface, a few seasoned cave explorers venture where no human has set foot. Their headlamps illuminate mud-covered walls, gypsum crystals and mineral deposits. The ...


Western governors offer greenhouse emissions plan

21 hours ago | User rating: 1.6 / 5 after 5 vote(s) | User comments: 3

(AP) -- Seven Western states are joining four Canadian provinces to propose a plan to limit greenhouse gas emissions through use of a "cap and trade" system.


Cow power could generate electricity for millions

July 24, 2008 | User rating: 3.8 / 5 after 15 vote(s) | User comments: 5

Converting livestock manure into a domestic renewable fuel source could generate enough electricity to meet up to three per cent of North America's entire consumption needs and lead to a significant reduction in greenhouse ...


Judge: EPA must regulate ship water discharge

July 24, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

(AP) -- An appeals court Wednesday upheld a ruling ordering the Environmental Protection Agency to regulate the water discharged from ships as a way to protect local ecosystems from invasive species.


Paying to save tropical forests could be a way to reduce global carbon emissions

July 23, 2008 | User rating: 3.4 / 5 after 5 vote(s) | User comments: 2

Wealthy nations willing to collectively spend about $1 billion annually could prevent the emission of roughly half a billion metric tons of carbon dioxide per year for the next 25 years, new research suggests.


Phoenix Completes Longest Work Shift

July 23, 2008 | User rating: 3.6 / 5 after 5 vote(s) | No comments yet

(PhysOrg.com) -- Phoenix early Tuesday finished its longest work shift of the mission. The lander stayed awake for 33 hours, completing tasks that included rasping and scraping by the robotic arm, in addition ...


Ancient Galactic Magnetic Fields Stronger than Expected

July 23, 2008 | User rating: 4.5 / 5 after 21 vote(s) | User comments: 10

(PhysOrg.com) -- Mining the far reaches of the universe for clues about its past, a team of scientists including Philipp Kronberg of Los Alamos National Laboratory has proposed that magnetic fields of ancient galaxies like ...


Polarizing filter allows astronomers to see disks surrounding black holes

July 23, 2008 | User rating: 4.1 / 5 after 19 vote(s) | User comments: 2

(PhysOrg.com) -- For the first time, a team of international researchers has found a way to view the accretion disks surrounding black holes and verify that their true electromagnetic spectra match what astronomers ...


Category 2 Hurricane Dolly Crosses South Padre Island, Texas

July 23, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

At 12:00 p.m. CDT (1:00 p.m. EDT) Dolly's eye was located near latitude 26.2 north and longitude 97.0 west or about 35 miles northeast of Brownsville, Texas, and she was crossing South Padre Island.


Controlling nitrogen pollution will not stop toxic algae blooms, says research

July 23, 2008 | User rating: 3.8 / 5 after 5 vote(s) | No comments yet

Research from the University of Alberta has confirmed that algae blooms, which can poison lakes and kill fish, can be controlled by limiting phosphorus.


Costs of climate change, state-by-state: Billions, says UMD

July 23, 2008 | User rating: 2.8 / 5 after 8 vote(s) | User comments: 2

Climate change will carry a price tag of billions of dollars for a number of U.S. states, says a new series of reports from the University of Maryland's Center for Integrative Environmental Research (CIER). The researchers ...


Durham scientists to tackle CO2 storage in global warming challenge

July 23, 2008 | User rating: 2.3 / 5 after 9 vote(s) | User comments: 2

Scientists at Durham University (UK) are working on new ways of storing CO2 emissions underground to help in the fight against global warming.


Why eating less can help the environment

July 23, 2008 | User rating: 2.8 / 5 after 10 vote(s) | User comments: 2

An estimated 19 percent of total energy used in the USA is taken up in the production and supply of food. Currently, this mostly comes from non-renewable energy sources which are in short supply. It is therefore of paramount ...


Los Angeles bans plastic bagging in stores

July 23, 2008 | User rating: 3.8 / 5 after 14 vote(s) | User comments: 12

The city of Los Angeles announced it will ban all plastic bags from retail stores as of July 1, 2010, following similar anti-pollution regulations already enforced in San Francisco.


Researcher says Gulf dead zone bigger than ever

July 23, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1

(AP) -- A "dead zone" in the Gulf of Mexico off the Texas-Louisiana coast this year is likely to be the biggest ever and last longer than ever before, with marine life affected for hundreds of miles, a scientist warned.


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