Search results for grand canyon
Grand Canyon flooded to improve ecosystem
Mar 05, 2008 |
4.3 / 5 (3) |
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U.S. officials released a flood into the Grand Canyon to try to undo damage caused by the construction of the Glen Canyon Dam in the 1960s.
Grand Canyon to change 'unfair' permit system
Nov 23, 2009 |
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1
(AP) -- Getting one of the roughly 11,500 permits granted each year to backpack overnight in the Grand Canyon has become so competitive and "unfair" that managers at the national park have decided to change the system.
U.S. OKs uranium search near Grand Canyon
Space & Earth / Earth Sciences
Feb 07, 2008 |
5 / 5 (2) |
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The U.S. Forest Service has approved a permit allowing a mining company to look for uranium near Grand Canyon National Park.
Grand Canyon may be as old as dinosaurs, says new study
Space & Earth / Earth Sciences
Apr 10, 2008 |
4.3 / 5 (18) |
3
New geological evidence indicates the Grand Canyon may be so old that dinosaurs once lumbered along its rim, according to a study by researchers from the University of Colorado at Boulder and the California ...
Salazar calls for high flows into Colorado River
Dec 11, 2009 |
5 / 5 (1) |
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(AP) -- Interior Secretary Ken Salazar is calling for more manmade floods to be released from the Glen Canyon Dam into the Colorado River.
Water experts: Mining near Grand Canyon is risky
Jul 21, 2009 |
5 / 5 (2) |
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(AP) -- Water experts are telling Congress that uranium mining near the Grand Canyon would court disaster.
Model analysis helps protect river's ecosystem
Space & Earth / Earth Sciences
Mar 06, 2008 |
3.8 / 5 (4) |
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The Grand Canyon will be experiencing a spring of yesteryear, as water flow rates from the Glen Canyon Dam will be significantly increased, then throttled back in a high-flow experiment that runs March 4 through ...
Interior halting uranium mining at Grand Canyon
Jul 21, 2009 |
3 / 5 (4) |
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(AP) -- Thousands of mining claims dot 1 million acres near the Grand Canyon, and Interior Secretary Ken Salazar says his department has a responsibility to ensure those resources are developed in a way that ...
Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life
Space & Earth / Earth Sciences
May 26, 2009 |
4.1 / 5 (15) |
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New fossil findings discovered by scientists at UC Santa Barbara challenge prevailing views about the effects of "Snowball Earth" glaciations on life, according to an article in the June issue of the journal ...
Arizona drought lingers even amid rains
Mar 31, 2008 |
3.5 / 5 (6) |
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A wet winter in Arizona has filled lakes and streams, but experts say the Grand Canyon State's drought might not be over.
Mohave power plant set to close
Dec 31, 2005 |
5 / 5 (2) |
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A coal-fired power plant that emitted vast quantities of air pollution that clouded views of the Grand Canyon will close at year's end.
Gates Foundation's Grand Challenges Explorations Rewards Bold Ideas
May 06, 2009 |
4.5 / 5 (8) |
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Even in troubled times, The Bill and Melinda Gates Foundation recognize innovation for the betterment of mankind takes money. The Gates Foundation is providing $100,000 to 81 cutting edge health researcher ...
Jaguars seen in Southwestern U.S.
Biology /
Oct 10, 2006 |
2.8 / 5 (5) |
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Male jaguars are reportedly crossing into the Southwestern United States from Mexico, often using the same routes as drug smugglers.
Google, on tricycle, captures gardens of Versailles
Aug 10, 2009 |
5 / 5 (1) |
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Google's tricycle-mounted cameras on Monday shot footage of the 17th century gardens of France's Chateau de Versailles destined for its Street View service by year's end.
Researcher uses bacteria to make radioactive metals inert
Sep 08, 2009 |
4.1 / 5 (14) |
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The Lost Orphan Mine below the Grand Canyon hasn't produced uranium since the 1960s, but radioactive residue still contaminates the area. Cleaning the region takes an expensive process that is only done in ...
