Livestock manure methane management projects are an emissions-reduction project type within the agriculture & soils segment of the carbon market. They are designed to reduce methane from manure handling and treatment. The carbon benefit comes from avoided methane from manure decomposition and storage. Common project configurations include Covered lagoons; digesters; centralized manure treatment where eligible.

Covered lagoons, digesters, and related systems can materially cut methane, but manure handling, climate conditions, and end use of captured gas all matter. Many of these pathways focus on methane or other potent non-CO2 gases, so they can have strong near-term climate significance; at the same time, the integrity of baseline assumptions, destruction efficiency, and ongoing monitoring is especially important. For buyers and program designers, the most important diligence questions are: Are herd data, manure flows, and baseline management systems well documented? Would the project have happened without credit revenue?