Environment

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Residents of North Cotabato province in the southern Philippines look at boulders that partially blocked a highway on Sunday, June 2, 2013, after a magnitude-5.7 earthquake hit late Saturday. (AP Photo/North Cotabato Provincial Office)

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The Thompson Ridge fire burns in an area just north of Jemez Springs, N.M., on Saturday, June 1, 2013. Fire crews in New Mexico were fighting two growing wild blazes that have scorched thousands of acres, spurred evacuation calls for dozens of homes and poured smoke into the touristy state capital of Santa Fe. (AP Photo/The Albuquerque Journal, Roberto E. Rosales)

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A police officer offers directions to a driver leaving a heavily damaged supply yard for Cactus Drilling Co. in El Reno, Okla., on Saturday, June 1, 2013. Employee David Stottemyre was working in the lot when a tornado took aim at the plant. Mr. Stottemyre ran inside the large supply storage building and took shelter as the twister passed over, leaving the building in a twisted pile of steel and metal. He was not injured. (AP Photo/The Oklahoman, Jim Beckel)

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A wide-ranging ban on smoking, signed into law by Vladimir Putin, has taken effect in Russia. (Associated Press)

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Overturned trucks block a frontage road off I-40 just east of 81 in El Reno, Okla., after a tornado moved through the area on Friday, May 31, 2013. (Associated Press)

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Cars that were damaged by a tornado in parking lot at Canadian Valley Technical Center on State Highway 66, west of Banner Road, Friday May 31, 2013 in El Reno, Okla. (Associated Press)

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** FILE ** This undated file image released by the British Health Protection Agency shows an electron microscope image of a coronavirus, part of a family of viruses that cause ailments including the common cold and SARS, which was first identified last year in the Middle East. (AP Photo/Health Protection Agency, File)