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  1. This handout photo from NASA shows David Bashford, right, lead of the LaserMotive team, preparing their robotic climber entry in the $2 million Space Elevator Games at the NASA Dryden Flight Research Center at Edwards Air Force Base, Calif., Wednesday, Nov. 4, 2009.  In a the test of the concept, robotic machines powered by laser beams will try to climb a cable suspended from a helicopter, on a course 900 meters (2,953 feet) high. (AP Photo/NASA, Tom Tschida)
    Seattle team wins $900,000 in Space Elevator Games AP - Sat Nov 7, 8:53 AM ET

    LOS ANGELES - A Seattle team has collected a $900,000 prize in a NASA-backed competition to develop the concept of an elevator to space — an idea spurred by science fiction novels.

  2. Prized mushroom collection returns to China AP - Sat Nov 7, 8:26 AM ET

    BEIJING - A Chinese scholar persecuted during the Cultural Revolution for smuggling a rare collection of mushrooms out of China before World War II was honored Saturday when the collection was returned more than 70 years later.

  3. German Finance Minister Wolfgang Schaeuble, left, U.S. Treasury Secretary Timothy Geithner, center, and British Treasury chief Alistair Darling, right, are seen during a group photo session at the G20 Finance Ministers meeting in St. Andrews, Scotland, Saturday, Nov. 7, 2009. (AP Photo/Chris Clark)
    G-20 finance officials: Too early to end stimulus AP - 44 minutes ago

    ST. ANDREWS, Scotland - Finance officials from rich and developing countries pledged Saturday to maintain emergency support for their economies until recovery is assured, but failed to reach a clear agreement to bear the cost of fighting climate change.

  4. Couple's book tackles evangelicals' questions on climate change McClatchy Newspapers - Fri Nov 6, 2:31 PM ET

    WASHINGTON — As an evangelical Christian living in Texas, climate scientist Katharine Hayhoe found that many conservatives had questions about climate change based on things they'd heard on talk radio.

  5. Chancellor Alistair Darling attends a G20 Finance Ministers group photograph outside the Fairmont Hotel, in St Andrews. G20 countries committed to work for an "ambitious outcome" at next month's vital UN climate change conference after meeting Saturday, but fell short of agreeing a figure on climate funding.(AFP/Derek Blair)
    G20 wants 'ambitious' Copenhagen talks, but gives no figures AFP - 44 minutes ago

    ST ANDREWS, Scotland (AFP) - G20 countries committed to work for an "ambitious outcome" at next month's vital UN climate change conference after meeting Saturday, but fell short of agreeing a figure on climate funding.

  6. In this image provided by NASA, the Russian segment of the international space station is featured in this image photographed by an Expedition 18 crewmember during a spacewalk Tuesday March 10, 2009.
    Space Junk Buzzes Station as Astronauts Sleep SPACE.com - Fri Nov 6, 11:02 PM ET

    A small chunk of space trash made an uncomfortably close pass by the International Space Station late Friday, but not close enough to force the astronauts aboard to take shelter in their Russian lifeboats.

  7. Alps Grow and Shrink at Same Time LiveScience.com - Fri Nov 6, 3:12 PM ET

    The European Alps are both growing and shrinking, with two dynamic processes acting against each other for a net effect of ... nothing.

  8. The Many Mysteries of Neanderthals LiveScience.com - Sat Nov 7, 8:51 AM ET

    Editor's Note: This is Part 6 in a 10-part LiveScience series on the origin, evolution and future of the human species and the mysteries that remain to be solved.

  9. Chancellor of the Exchequer Alistair Darling speaks at a Thomson Reuters newsmaker event in London October 21, 2009. REUTERS/Andrew Winning
    UK joins G20 push for world levy on banks Reuters - 2 hours, 24 minutes ago

    ST ANDREWS, Scotland (Reuters) - Britain threw its weight on Saturday behind proposals to impose a global levy on banks to fund future bailouts but failed to make much progress on securing a G20 deal to meet the cost of climate change.

  10. File picture shows barrels containing high level radioactive nuclear waste in a coolant tank at Sellafield nuclear plant. The country could face a serious energy crisis unless plans to build new nuclear power stations are implemented, the energy secretary revealed in an interview Saturday.(AFP/File/Odd Andersen)
    Govt in push for new nuclear plants AFP - Sat Nov 7, 4:13 AM ET

    LONDON (AFP) - The country could face a serious energy crisis unless plans to build new nuclear power stations are implemented, the energy secretary revealed in an interview Saturday.

  11. U.S. 'Decades Behind' on Space Debris Threat, Official Says SPACE.com - Fri Nov 6, 2:34 PM ET

    The amount of junk floating in space is getting out of hand and the United States must step up its effort to control orbital trash, experts are saying.

  12. Shell Oil to pay $19.5M in environmental fines AP - Fri Nov 6, 6:37 PM ET

    OAKLAND, Calif. - Shell Oil Co. has been ordered to pay $19.5 million to the state for environmental violations at gas stations around California.

  13. Caribbean, Gulf spared widespread coral damage AP - Thu Nov 5, 7:41 PM ET

    SAN JUAN, Puerto Rico - Lower-than-feared sea temperatures this summer gave a break to fragile coral reefs across the Caribbean and the central Gulf of Mexico that were damaged in recent years, scientists said Thursday.

  14. An activist of the environmental group Avaaz  wearing costume representing an alien delegation mingles with UN delegates during the UN climate talks in Barcelona, Spain, Friday, Nov. 6, 2009. Barcelona hosts the final round of climate talks before December's Copenhagen UN climate summit. (AP Photo/Manu Fernandez)
    World leaders needed at talks to cut climate deal AP - Fri Nov 6, 5:25 PM ET

    BARCELONA, Spain - After two years of tough U.N. climate talks often pitting the world's rich against the poor, negotiators said Friday a new global agreement now rides on industrial nations pledging profound emissions cuts next month in Copenhagen.

  15. Activists of the environmental group Greenpeace hang a banner reading "Climate Chaos, Who is to Blame?" from the Cristobal Colon statue in Barcelona. The United States said it could still present proposals for curbing its carbon emissions at next month's climate change meeting in Copenhagen, even if Congress was still debating global warming legislation.(AFP/Lluis Gene)
    US may still put emissions proposals at Copenhagen AFP - Fri Nov 6, 10:20 AM ET

    BARCELONA, Spain (AFP) - The United States said on Friday it could still present proposals for curbing its carbon emissions at next month's climate change meeting in Copenhagen, even if Congress was still debating global warming legislation.

  16. View of the Syncrude oil sands extraction facility near the town of Fort McMurray in Alberta Province, Canada on October 25. Greenpeace is calling for an end to oil sands mining in the region due to their greenhouse gas emissions and have recently staged sit-ins which briefly halted production at several mines.(AFP/File/Mark Ralston)
    APEC seeks to slash emissions by 2050 AFP - Fri Nov 6, 2:03 AM ET

    SINGAPORE (AFP) - Asia-Pacific powers including the United States, China and Russia are expected to call next week for sweeping cuts in greenhouse gas emissions on the final countdown to a crunch climate meeting.

  17. The world's largest offshore windmill farm located just outside Copenhagen harbour. Negotiations ahead of the crucial UN climate talks in Copenhagen are "not going well", Climate Change Secretary Ed Miliband has warned.(AFP/File/Soeren Bidstrup)
    Climate talks 'not going well': Ed Miliband AFP - Fri Nov 6, 3:41 AM ET

    LONDON (AFP) - Negotiations ahead of the crucial UN climate talks in Copenhagen are "not going well", Climate Change Secretary Ed Miliband has warned.

  18. Swedish Prime Minister Fredrik Reinfeldt (L) shakes hands with Indian Prime Minister Manmohan Singh at the European Union Summit in New Delhi. Reinfeldt, acting as president of the EU, warned Friday of the impact of climate change on India unless a new emissions pact was reached in upcoming UN climate talks.(AFP/Raveendran)
    EU warns of climate change impact on India AFP - Fri Nov 6, 12:05 PM ET

    NEW DELHI (AFP) - Sweden's Prime Minister Fredrik Reinfeldt, acting as president of the EU, warned Friday of the impact of climate change on India unless a new emissions pact was reached in upcoming UN climate talks.

  19. Some of the Universe's First Galaxies Discovered SPACE.com - Fri Nov 6, 1:21 PM ET

    A new survey has found 22 of the earliest galaxies to form in the universe, confirming the age of one at just 787 million years after the theoretical Big Bang.

  20. A Simple Sneeze Raises Fear of Death LiveScience.com - Fri Nov 6, 1:15 PM ET

    In the current atmosphere of heightened concern over the H1N1 virus, the everyday sneeze can trigger fears of totally unrelated hazards, including heart attacks, new research suggests.

  21. Tenn. gov: Biofuels project criticism 'outrageous' AP - Fri Nov 6, 11:39 AM ET

    NASHVILLE, Tenn. - Gov. Phil Bredesen says a legislative staff member who attacked a state-backed initiative to turn switchgrass into ethanol is playing politics and endangering chances to land a large investment for East Tennessee.

  22. File photo shows a man riding his tricycle past a coal-fired power station on the outskirts of Beijing. Asia-Pacific powers including the United States, China and Russia are expected to call next week for sweeping cuts in greenhouse gas emissions on the final countdown to a crunch climate meeting.(AFP/File/Frederic J. Brown)
    APEC seeks sweeping world emission cuts by 2050 AFP - Thu Nov 5, 10:43 PM ET

    SINGAPORE (AFP) - Asia-Pacific leaders plan to call for sweeping cuts in global greenhouse gas emissions by 2050 at a summit here next week, according to a draft communique obtained by AFP Friday.

  23. File photo of US helicopters and planes at Futenma US Marine Base in Ginowan, Okinawa prefecture. Japan's Prime Minister Yukio Hatoyama has said he does not plan to make a decision on the relocation of a controversial US military base before President Barack Obama visits Tokyo next week.(AFP/File/Toru Yamanaka)
    Japanese seek US base environment deal AFP - Thu Nov 5, 8:51 PM ET

    WASHINGTON (AFP) - The heads of two key Japanese prefectures called for US troops to toughen environmental protection as a goodwill gesture, as a row over bases brews ahead of President Barack Obama's visit next week.

  24. Stars May be Cosmic Road Signs to Intelligent Aliens SPACE.com - Fri Nov 6, 9:02 AM ET

    When scientists search the heavens for habitable worlds beyond Earth, they don't necessarily know what to look for. A new study has found that the most probable place to find intelligent life in the galaxy is around stars with roughly the mass of the sun, and surface temperatures between 5,300 and 6,000 Kelvin (9,100 and 10,300 degrees Fahrenheit) - in fact, stars very similar to our own sun.