Copenhagen, Denmark - October 11, 2014: fruits and vegetables stalls at market in Copenhagen. Customers are choosing goods for themselves. These stalls is located between market halls where one can find over 60 stands with everything from fresh fish and meat, as well as small places to get a quick bite. It is located near Nørreport metro station. iStockphoto hide caption

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There are about 400,000 greater sage grouse left on the landscape, spread across 11 Western states, from California to North Dakota. That's a fraction of what their numbers were just a century ago. Tom Koerner/U.S. Fish and Wildlife Service hide caption

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President Obama makes his way across the tarmac Monday to greet well-wishers upon arrival at Elmendorf Air Force Base in Anchorage, Alaska. Mandel Ngan/AFP/Getty Images hide caption

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Delegates took their seats during the plenary session at the Bonn climate change conference on March 10, 2014. Negotiations resume this week; by the end of the year, the U.N. hopes to have forged a new global agreement. UNclimatechange/Flickr hide caption

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President Obama is renaming Alaska's Mount McKinley in an effort to strengthen cooperation between the government and Alaska Native tribes. The peak is returning to its traditional name, Denali. Al Grillo/AP hide caption

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Professor Douglas Causey logs information as he tags and takes basic measurements of the birds he harvested in the Aleutian Islands on June 4. He is looking at the birds' blood and their diet, hoping to find out the ways the ocean is changing as it warms. Bob Hallinen/ADN hide caption

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An airplane used to fight wildfires flies over a blaze that flared up near Omak, Wash., on Thursday. Ted S. Warren/AP hide caption

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Strawberry pickers in Watsonville, Calif. Many farmworkers in the state are out of work because of the severe drought. Those who do have a job are often working harder for less money. Lesley McClurg/For NPR hide caption

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An aerial view of Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant, on March 11. Kyodo/Reuters/Landov hide caption

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French marathon swimmer Benoit Lecomte (left) prepares to jump into the Potomac River in Washington, D.C., in 2002. In 1998, Lecomte swam across the Atlantic Ocean. Manny Ceneta /AFP/Getty Images hide caption

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Hurricane Danny is seen in a NOAA image taken by the GOES-East satellite taken at 10:15 ET on Thursday. The storm, now a Category 2, is expected to lose strength over the next day or two. NOAA/Reuters/Landov hide caption

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United has purchased 15 million gallons of renewable jet fuel made from beef tallow, or fat, by Alt Air Fuels and plans to use the fuel this year for Los Angeles-to-San Francisco flights. Tony Ruppe/United hide caption

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