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Carbon Dioxide Removal: Tackling Emissions from Both Sides
Carbon dioxide removal (CDR) strategies uniquely address existing emissions in the atmosphere, distinguishing themselves from traditional carbon mitigation methods focused solely on reducing new emissions. CDR involves engineered technologies that actively capture CO2 from the air, storing it or converting it into useful products. This dual approach is likened to a drain and absorbent towel in a bathtub analogy, highlighting the need to manage emissions from both the source (the faucet) and existing atmospheric levels (the drain). Despite its potential, there is skepticism among key regulatory bodies, such as the UNFCCC's Article VI supervisory body, which questions the effectiveness of CDR as a viable solution and its contribution to sustainable development, as indicated in their recent technical notes. This ongoing debate underscores the complexities and challenges of integrating CDR into broader climate action frameworks.