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DC-3 aircraft stationed on the Quaanaaq airfield April 12, 2018
Newly discovered salty subglacial lakes could help search for life in solar system
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Algae cover the surface of Wisconsin's Lake Mendota, likely from fertilizer flowing downstream. World Environment Day: What does the future hold for Earth's ecosystems?
From coast to coast, signs of pressure -- and of hope
Released  Fri Jun 02 00:00:00 EDT 2017

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