Science vs. Global Warming Can CO2 Catchers Combat Climate Change?

While nations bicker about who should cut greenhouse gas emissions and by how much, scientists are dreaming up their own solutions to global warming. A German professor has created a filter which extracts more than a thousand times more carbon dioxide from the air than a tree.
Photo Gallery: Cleansing the Atmosphere of CO2
Foto: MICK TSIKAS/ REUTERS
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Photo Gallery: Cleansing the Atmosphere of CO2

Translated from the German by Ella Ornstein
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