"Global warming" may be a more engaging term for activists than "climate change"
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U.S. President Barack Obama rolls up his shirt sleeve before he speaks about his vision to reduce carbon pollution while preparing the country for the impacts of climate change while at Georgetown University in Washington, June 25, 2013. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ENVIRONMENT) - RTX110KY
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A new study finds that the oceans could be holding the missing heat from global warming.
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Tarawa atoll, Kiribati, is seen in an aerial view. Fearing that climate change could wipe out their entire Pacific archipelago, the leaders of Kiribati are considering an unusual backup plan: moving the populace to Fiji.
This melt water lake was created by warm summer temperatures on the surface of the Greenland Ice Sheet. Meltwater lubricates the glacier bed and and makes the ice flow faster into the sea. Global warming has caused melting to occur dozens of miles further inland than 20 years ago.
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Jim Hansen, a leading researcher on global warming, gives a briefing on global warming on Capitol Hill in Washington.
Photograph by Stephen Dupont for TIME
"Where has all the color gone?" Parts of the Great Barrier Reef have undergone an aesthetic decline, reflecting the dangers from global warming that the vast, fragile ecosystem faces
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How will climate change affect storms like Sandy, seen in a satellite image?
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A farm worker harvesting rooibos tea at the Elandsberg Eco Tourism fields in Clanwilliam, South Africa on Feb. 13, 2012. Farmers fear that climate change could destroy the delicate eco-system that their crops depend on.
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Students and Washington residents concerned about global warming gather in front of the U.S. Capitol in Washington, Saturday, April 14, 2007, to urge Congress to cut carbon dioxide emissions by 80% by 2050.
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Utah Governor Jon Huntsman looks up after signing a document to fight global warming
American smokestacks: Not helping the global-warming situation
Dar Yasin / AP
China's chief climate change official, Xie Zhenhua, right, shakes hands with Indian Environment Minister Jairam Ramesh after signing an agreement during a joint workshop on national action plan on climate change in New Delhi, India, Wednesday, Oct. 21, 2009
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Venter has come to San Diego to develop synthetic tools to attack disease and global warming.
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A protester holds a burned doll outside the U.N. conference on global warming
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Business still isn't sustainable enough to avert dangerous climate change
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The IPCC climate report says scientists are 95% certain that humans are the "dominant cause" of global warming, adding that a 'pause in warming over the past 15 years is too short to reflect long-term trends.'
Evan Vucci / AP
President Barack Obama arrives to make a speech on climate change at Georgetown University on June 25, 2013, in Washington
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Fish catches could be hurt by climate change
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From left to right, moderator Jonathan Lynn, Secretary-General of the WMO Michel Jarraud, Chairman of the Intergovernmental Panel on Climate Change (IPCC) Rajendra K Pacahauri, Co-Chair working group 1 Thomas Stocker and Co-Chair working group 1 Dahe Qin present the first volume of its Fifth Assessment Report, first overview since 2007 of scientific evidence for climate change on Sept. 27, 2013 in Stockholm.
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United Nations climate change chief Yvo de Boer
Anticapitalist and climate-change activists converge on the Bank of England in London
Gerardo Garcia / Reuters
Canadian protesters at the venue of climate-change talks in Cancun on Dec. 10, 2010
Mustafa Quraishi / AP
Hillary Clinton speaks about climate change in New Delhi alongside Indian Minister for Environment and Forests Jairam Ramesh
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NEEM researchers measure climate change using air captured in ancient ice.
Siphiwe Sibeko / Reuters
Protesters rally outside the Conference of the Parties of the U.N. Climate Change venue in Durban, South Africa, on Nov. 28, 2011
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Demonstrators take part in the protest against climate change in the center of Copenhagen.
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A delegate at the UN Climate Change Conference carries his child as he watches a demonstration at the venue of the meeting on Bali.
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U.S. House Speaker Nancy Pelosi attends a climate-change conference in Beijing on May 27, 2009
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President Barroso in talks about combating climate change, improving EU's energy security and cutting carbon dioxide emissions by 2020.
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Former U.S. Vice President Al Gore addresses the Copenhagen Climate Change Conference on Dec. 15, 2009
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President Obama addresses the session of the United Nations Climate Change Conference in Copenhagen
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Former Vice President Al Gore speaks at the U.N. climate-change convention in Poznan, Poland
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U.S. President George W. Bush remarks on climate change and clean air during his visit to the National Oceanic and Atmospheric Administration in February 2002
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The chances of "frozen viruses" reactivating is possible thanks to climate change, according to experts
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Members of non-governmental organizations hold posters and banners as they walk out of the National Stadium during the 2013 UN Climate Change Conference in Warsaw, Poland, Nov. 21, 2013.
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The heat waves of today could seem like a breeze in the future, thanks to climate change
Raphael Satter / AP
Halldor Thorgeirsson, right, a senior director with the United Nations Framework Convention on Climate Change, and researcher Brian Hoskins take questions during a press briefing at London's Imperial College on Tuesday, Sept. 17, 2013
Wednesday, Nov. 20, 2012: Conference flags are displayed ahead of the Doha Climate Change Conference, in Doha, Qatar.
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In this Wednesday, Nov. 20, 2012 file photo, conference flags are displayed ahead of the Doha Climate Change Conference, in Doha, Qatar.
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Secretary of State Clinton addresses the media during the United Nations Climate Change Conference 2009 in Copenhagen.
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Bolivian President Evo Morales attends the World People's Conference on Climate Change and the Rights of Mother Earth session in Tiquipaya, on the outskirts of Cochabamba, on April 20, 2010
Fadi Al-Assaad / Reuters
Qatar's Deputy Prime Minister and 18th Conference of the Parties President Abdullah bin Hamad Al-Attiyah and Christiana Figueres, executive secretary of the United Nations Framework Convention on Climate Change, attend the opening session of the United Nations Climate Change Conference in Doha Nov. 26, 2012.
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Yvo de Boer, executive secretary of the U.N. Framework Convention on Climate Change (UNFCCC), gestures as he answers questions during a press conference at the Japan National Press Club in Tokyo on Feb. 13, 2009
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A delegation member from Gambia prepares for a meeting during the 12-day summit on climate change in Copenhagen
J. Pat Carter / AP
Florida Governor Charlie Crist at ServetoPrserve, a Florida Summit on Global Climate Change, Miami, Florida, July 12, 2007
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Senator Lindsey Graham, center, speaks to the media following a meeting with CEOs about climate change at the US Capitol in Washington, DC, on December 3, 2009.
Susan Walsh / AP
Al Gore testifies on Capitol Hill before the Senate Foreign Relations Committee hearing on global climate change
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U.S. Secretary of State Hillary Clinton addresses the media at a news conference during the United Nations Climate Change Conference
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Environmental activists and supporters shout slogans during a demonstration at the venue of the UN Climate Change Conference 2007 in Nusa Dua on Bali island, Dec. 14.
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Nobel Laureate and former U.S. Vice President Al Gore speaks at the side event of the UN Climate Change Conference 2007 in Nusa Dua on Bali island, December 13, 2007.
Alexandra Fleurantin / Greenpeace France
Members of the Vignerons Independants wine growers associated clinked their bottles to express concerns over the consequences of inaction on climate change.
Sang Tan / AP
Activists camp in tents in southeast London on Aug. 26, 2009, as part of a weeklong protest on climate change
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Australian Prime Minister Kevin Rudd speaks to the media during a joint press conference with former U.S. Vice President and climate-change campaigner Al Gore (unseen) in Sydney
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Some climate experts say that without breakthrough technologies and as yet unimagined solutions, we cannot stem the progress of climate change.
(l. to r.): Don Emmert / AFP / Getty; AP
United Nations Secretary General Ban Ki-moon (left) speaks at the United Nations during a High Level event on Climate Change.
Kacper Pempel / Reuters
Philippine Climate Commissioner Naderev Sano holds a sign at the closing session during the 19th conference of the United Nations Framework Convention on Climate Change (COP19) in Warsaw Nov. 23, 2013.
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The Salton Sea area of the Imperial Valley in California, was once a thriving tourist destination, but deteriorated as the sea, which was created by the Colorado River, died from pollution and dried out from the effects of global warming.
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Ram Oren, an associate professor of ecology at Duke University, stands atop an observation tower overlooking the Duke Forest in Durham, N.C., Sept. 29, 2008, where he oversees a long-standing experiment measuring how elevated levels of carbon dioxide expected under global warming will affect forests
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House Speaker Nancy Pelosi (D-Calif.) testifies before the House Science and Technology Committee about her commitment to fighting global climate change in Washington, D.C., February 8, 2007.