Greenland 2007
What lies ahead for the planet as global warming takes hold? Continue through gallery, if you dare
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2009
The world population nears 7 billion as more people now live in cities than in rural areas, changing patterns of land use and adding to smog
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2018
Global oil production peaks between 2008 and 2018, triggering a global recession, food shortages and conflicts between nations over dwindling supplies
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2020
Flash floods increase across Europe. Less rainfall reduces agriculture yields by up to 50 percent in some areas. Population reaches 7.6 billion
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2030
Up to 18 percent of the world's coral reefs are lost as a result of the changing climate and other environmental stresses. Warming temperatures will melt the last glaciers in the mountains of equatorial Africa. In low-income parts of the world, diarrhea-related illness is likely to rise by 5 percent
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2040
The Arctic Sea is ice-free in the summer, and winter ice depth shrinks drastically. Some say this won't happen until 2060 to 2105
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2050
Large glaciers shrink by 30 to 70 percent as a quarter of the world's plant and vertebrate animal species face extinction. Human deaths related to heat are expected to rise in Australia and the United States -- but in the United Kingdom, cold-related deaths are expected to rise
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2070
As warmer, drier conditions lead to more frequent and longer droughts, electricity production for the world's existing hydropower stations decreases
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2080
But in other parts of the world, people living in 2080 will experience the other extreme. Up to 20 percent of the world's population will live in river basins likely to see increased flooding, and up to 100 million people could be affected by coastal flooding. Sea levels around New York City, above, could rise by 3 feet
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2085
The number of people at risk of dengue fever from climate change increases to 3.5 billion
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