Environment

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U.S. Secretary of State John F. Kerry makes a speech in part about climate change at the India Habitat Center in New Delhi on Sunday, June 23, 2013, on his first visit to India as the top U.S. diplomat. (AP Photo/Jacquelyn Martin, Pool)

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A new White House video reveals that climate change is much on President Obama's mind (image from the White House)

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Ashok Radadiya, left, consoles his flood affected sister Sudhaben Bhalala, centre, upon her arrival in Ahmadabad, India, Friday, June 21, 2013. The heavy rains caused by the annual monsoon have left more than 500 people dead and stranded tens of thousands, mostly pilgrims, in India’s northern mountainous region, officials said Friday. (AP Photo/Ajit Solanki)

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This photo provided by the Xerces Society for Invertebrate Conservation shows some of the thousands of dead and dying bees found in the parking lot of a shopping center in Wilsonville, Ore., southwest of Portland. (AP Photo/The Xerces Society for Invertebrate Conservation)

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A woman is rescued from the flood waters in High River, Alberta on Thursday, June 20, 2013, after the Highwood River overflowed its banks. (AP Photo/The Canadian Press, Jordan Verlage)

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A military police fires tear gas at protestors during an anti-government demonstration in Rio de Janeiro, Brazil, Thursday, June 20, 2013. (AP Photo/Victor R. Caivano)

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A Tibetan refugee wades through flood waters along the banks of the river Yamuna to reach safer place, in New Delhi, India, Wednesday, June 19, 2013. At least 102 people have died and 63,000 people remain stranded in the northern Indian state of Uttarakhand following torrential monsoon rains, landslides and cloud bursts. (AP Photo/Manish Swarup)

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In this photo taken late Tuesday, June 18, 2013, a traffic jam forms on a highway blocked because of a fire at a military depot near Chapaevsk in the Samara region of southern Russia. (AP Photo/Anatoly Bazhukov)

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Liye Zhang immigrated from Nanjing, China, when he was 10. Now living in Castro Valley, Calif., the software engineer and strong opponent of amnesty described his seven-year-long process of naturalization as expensive and "long and exhausting."

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D.C. Council member Vincent B. Orange (center), at-large Democrat, confers with aides before introducing an emergency amendment to bridge the divide between food trucks and bricks-and-mortar restaurants. "This represents a fair compromise. Hopefully we can put this to bed after many years of working on this," he said. (Andrew S. Geraci, The Washington Times)

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Supercomputers play a vital role in the design, development and analysis of almost all modern weapons systems, said a report by the National Security Agency-Energy Department based on an assessment of China's new supercomputer called the TaihuLight.