Explore GHG emissions in the United States
October 10, 2025
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Direct Air Capture and Storage (DACCS) systems, which remove CO2 from the atmosphere, offer a significant carbon benefit depending on the energy mix of the regional grid. The greatest carbon benefit is achieved when DAC processes utilize zero-carbon sources like renewables and nuclear power. The ongoing decarbonization of the grid in most regions of the United States supports the effectiveness of DAC and electrification technologies.
Methane emissions from coal mines are a significant concern for greenhouse gas reduction. Certain mines, known as “superemitters,” contribute a large proportion of global methane emissions. Factors like mine depth and coal rank affect methane content. While reducing coal use in electricity generation is important, mitigating methane emissions from mines needs greater attention.