Floodwaters from rising sea levels have submerged and killed trees in Bedono village in Demak, Central Java, Indonesia. As oceans warm, they expand and erode the shore. Residents of Java's coastal villages have been hit hard by rising sea levels in recent years. Ulet Ifansasti/Getty Images hide caption

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Pope Francis prays during his general audience in Saint Peter's Square at the Vatican on June 3. The pope has made statements supporting the idea that climate change is man-made, and his upcoming encyclical on the environment and poverty is highly anticipated. Vincenzo Pinto/AFP/Getty Images hide caption

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A fully loaded container ship sails along the coast. Historically, ships have taken most of the sea measurements that go into the estimate of Earth's average surface temperature. iStockphoto hide caption

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ADP Co-chairs Daniel Reifsnyder (left) and Ahmed Djoghlaf (center) say their negotiation work is difficult but worth it. "We only have one planet, you know," Reifsnyder says. "We have to protect it." Courtesy of IISD/ENB hide caption

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Staghorn coral planted by scientists in the Florida Keys. Researchers hope to give the same sort of boost to the world's shrinking population of pillar coral, now that they can raise the creatures in a laboratory. Joe Berg/Way Down Video/Mote hide caption

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To put their probes into the Arctic Ice, researchers hitched a ride on a South Korean icebreaker. Courtesy of Craig M. Lee/University of Washington hide caption

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An unmanned aerial vehicle films vineyards in France. Drones like this one are also being used in Califiornia, as part of a broader "precision farming" movement designed to lower greenhouse gas emissions. Sami Sarkis/Ocean/Corbis hide caption

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A lone polar bear poses on a block of arctic sea ice in Russia's Franz Josef Land. iStockphoto hide caption

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Will the distant future give rise to exhibits of a human past long gone, much as we gawk today at representations of a dinosaur age we can only imagine? Aamir Qureshi/AFP/Getty Images hide caption

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Climate activists at a rally in Doha on December 1, 2012. Karim Jaafar/AFP/Getty Images hide caption

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