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ScienceDeserts absorb big amounts of atmospheric CO2, may help alleviate global warming: Studyby Alexander Saltarin
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ScienceUN climate change report warns of irreversible impacts, calls on the whole world to take action nowby Alexander Saltarin
ScienceSunsets painted by famous artists may offer clues to past pollution in Earth's atmosphereby Jim Algar
WATCH: Runner Spends Year Using Exercise Tracker to Create Elaborate Stick Figure Art on City Streets