Earth/Environment
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Ozone layer may be recovering: The plot (and the ozone layer) thickens
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Ozone layer is recovering. Good news! Hooray!
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You don't know everything about Stonehenge. See what new digital maps reveal
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Greenhouse gas (CO2) surged to record high in 2013, warns UN report
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Climate change may wipe out almost half of North American bird species: Study
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Whale pelvis: What good is it? How about sex?
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Global CO2 levels were record high in 2013: WMO sounds alarm bells
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Rising CO2 levels in ocean block sharks’ ability to smell prey
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North American birds can’t escape climate change: 314 species threatened
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Carbon emissions rise at record speed, WMO puts oceans in center of climate discussions
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Trout and eel make rare, deadly team against hapless prey
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Yosemite wildfire forces evacuation of 100 visitors
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