Earth/Environment
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Carbon dioxide in Earth's atmosphere at highest level in 800,000 years
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Pacific tuna detected with traces of Fukushima radiation leak: Time to panic?
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Sinking coastal cities, more immediate problem than rising sea levels: Study
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Acidic ocean kills marine snails in West Coast. Here's why it matters
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Extreme wet and dry spells ups risk of flooding, drought in central India
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Mount St. Helens builds up magma, no imminent eruption: USGS
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'State of the Air' report is out. Are you one of 148 million Americans breathing unhealthy air?
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60-ton carcass of a blue whale worries New Foundland residents
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Did EPA play politics with the environment? GOP calls dirty play
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Mysterious holes in sand dunes of Mount Baldy baffle scientists
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UK is worried about Icelandic supervolcanoes: Here's why
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Risk of New York City flooding during storm up 20 times since late 1800s: Study
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