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Enhanced Weathering (EW) techniques are a set of theoretical proposals to remove carbon dioxide by spreading large quantities of finely-ground rock minerals onto extensive land areas, beaches or the sea surface. This hypothetical Carbon Dioxide Removal (CDR) technology aims to mimic and accelerate the natural weathering processes of silicate and carbonate rocks, a slow carbonation process that is estimated to absorb about one billion tonnes of carbon dioxide from the atmosphere every year.
Product details
Date of Publication
January 2021
Publisher
Heinrich-Böll-Stiftung
Number of Pages
4
Licence
Language of publication
English
Table of contents
- Description and purpose of the technology
- Actors involved
- Impacts of the technology
- Reality check
- Further reading
- Endnotes