Good question! Carbon removal is removing carbon dioxide from the atmosphere and storing it in a durable, ideally permanent, form. It's a nascent field, and several methods are being explored and developed, including natural or biological solutions (e.g. forests, soil), engineered systems (e.g. direct air capture, enhanced mineralization), and more
. Note that some technologies can play a role in carbon removal but are not, on their own, carbon removal systems. For example, sourcing carbon dioxide from an industrial waste stream and storing it in a stable form is an avoided emission, not carbon removal. The same technology could source its CO2
from direct air capture, however, and would then remove carbon from the atmosphere. In some places carbon removal is referred to as "Carbon Dioxide Removal" or CDR. Also note that the phrase "Negative Emissions Technologies" or NETs is sometimes used to describe technologies that implement carbon removal.