THE ROLE OF CARBON DIOXIDE REMOVAL

Digital Art on Metal 40" W X30" H

For data sources on the science click here.

WHAT'S inspirING

“Carbon dioxide removal (sometimes called carbon removal or CDR) refers to a cluster of technologies, practices and approaches that remove and sequester carbon dioxide from the atmosphere. Despite the common denominator of removing carbon dioxide, these technologies can be very different. To put it simply, one can distinguish between biological and engineered options. For some of the former (such as afforestation, reforestation or soil carbon management), experience has been accumulated over decades. Conversely, experience is limited with regard to the latter (notably direct air capture, or bioenergy combined with carbon dioxide capture and storage)… Carbon dioxide removal options have become a common feature in climate change mitigation scenarios that are consistent with the goals of the Paris Agreement… Carbon dioxide removal and the deployment of negative emissions approaches must be employed in addition to other mitigation options…”

The above figure “…shows emission reductions from conventional mitigation technologies combined with carbon dioxide removal. This exemplary scenario is consistent with an at least 66 percent chance of keeping warming below 2°C relative to pre-industrial levels. Emission reductions are shown against a business-as-usual scenario without any additional climate policies. Global net emissions levels turn to net negative towards the very end of the century, but carbon dioxide removal is already being deployed much earlier…”

United Nations Emissions Gap Report 2017, Bridging the Gap – Carbon Dioxide Removal Figure 7.2, Lead authors: Pete Smith (University of Aberdeen), Julio Friedmann (Carbon Wrangler, LLC) 

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