Projects that remove CO2 by establishing or restoring tree cover and associated ecosystem carbon stocks.

Projects that integrate trees into agricultural systems, often delivering both removals and broader farm-level emission benefits.

Projects that reduce forest loss relative to a deforestation baseline.

Removal pathways that capture biogenic CO2 and store it in durable geological or mineral forms.

Biomass converted to bio-oil and stored in geological formations for long-term sequestration.

Carbon-rich solid material produced from biomass and stored in a durable application pathway.

Processed biomass stored in suitable subsurface or geologic formations for long-term sequestration.

Projects that reduce emissions by improving stove efficiency and/or switching households to lower-emissions cooking fuels.

Projects that restore tidal wetlands and seagrass systems that store carbon in biomass and sediments.

Technologies that chemically or electrochemically capture CO2 directly from ambient air and store it durably.

Technologies that remove CO2 from seawater and store it in durable geological, mineral, or approved ocean pathways.

Electrochemical seawater processes that generate alkalinity and/or carbonated minerals to durably store carbon.

Projects that deliver the same service with less electricity or fuel.

Acceleration of natural rock weathering to convert atmospheric CO2 into durable dissolved inorganic carbon or mineral forms.

Pathways that convert CO2 into stable carbonates in materials, wastes, or engineered systems.

Projects that protect existing forest carbon stocks from degradation, conversion, or unsustainable harvest.

Projects that switch from a more carbon-intensive fuel or feedstock to a less carbon-intensive alternative.

Projects that prevent conversion of grasslands and protect belowground carbon stocks.

Projects that increase or retain forest carbon relative to baseline management.

Projects that lower the emissions intensity of industrial output or recover wasted energy.

Projects that destroy or reduce emissions of highly potent industrial greenhouse gases.

Forest-sector reductions and removals accounted at a jurisdictional or national scale rather than only at individual project scale.

Projects that collect landfill gas and destroy or utilize methane that would otherwise escape.

Projects that reduce methane from manure handling and treatment.

Projects that restore mangrove ecosystems and increase carbon stored in biomass, soils, and sediments.

Biomass deposited in deep anoxic marine basins intended to slow decomposition and isolate carbon.

Enhanced growth and controlled sinking of microalgae or algal biomass for deep-ocean sequestration.

Projects that reduce N2O emissions and other agricultural emissions through improved nutrient management.

Projects that add alkalinity to seawater so the ocean can absorb and store more atmospheric CO2 as dissolved inorganic carbon.

Projects that divert organic waste from anaerobic disposal into controlled aerobic composting.

Projects that digest organic wastes and control or use the resulting biogas instead of leaving wastes in higher-emitting systems.

Projects that avoid emissions from degradation, drainage, or conversion of wetlands and peat-rich ecosystems.

Projects that restore peatlands and rewet drained organic soils to reduce losses and rebuild ecosystem carbon.

Projects that destroy ozone-depleting substances and other high-GWP refrigerants.

A broad umbrella term for farm practices that can produce removals, reductions, or both depending on the methodology.

Projects that generate electricity from lower-emissions renewable sources instead of a higher-emissions baseline.

Projects that provide useful heat or steam from lower-emissions renewable sources.

Projects that reduce methane emissions from rice cultivation through alternative water and crop management.

Projects that add alkalinity to river systems to enhance downstream carbon uptake and storage.

Projects that lower emissions by reducing the need to boil or otherwise treat drinking water with higher-emissions fuels.

Projects that increase soil organic carbon and may also reduce non-CO2 agricultural emissions.

Biomass processed and stored in shallow subsurface environments designed for long-term sequestration.

Projects that cut transport emissions through modal shift, efficiency, or lower-emissions transport systems.

Projects that use wastewater pathways to increase alkalinity and support durable carbon storage.

Projects that reduce methane from wastewater treatment systems.