Kiel,
E&E News: Mining the sky for CO2 with metal trees, towers and pumps
"Extracting CO2 from the air, where it is most diluted, might require three times the amount of energy needed to remove it from smokestacks. Lackner's ambition was to develop a "mechanical version" of how a tree consumes and stores the invisible, odorless gas."
Linked to:
Carbon Capture and Storage
, Carbon Dioxid Removal
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