国际能源署-减少化石燃料作业产生的甲烷排放（英）-2021.10-56页_2mb

Summary of "Curtailing Methane Emissions from Fossil Fuel Operations"

Core Content

The document outlines pathways to achieve a 75% reduction in methane emissions from fossil fuel operations by 2030, as outlined in the IEA's Zero by 2050 Roadmap. Methane is identified as a key contributor to global warming, responsible for 30% of the global temperature rise to date. Due to its short atmospheric lifetime (about 12 years) and the cost-effective nature of abatement, addressing methane emissions is a high-impact near-term strategy for climate action.

Fossil fuel operations accounted for nearly 120 Mt of methane emissions in 2020, which is one-third of all human-caused methane emissions. The oil and gas sector presents the largest abatement potential, with over 70% of current emissions potentially avoidable using existing technologies. A 45% reduction in methane emissions from oil and gas can be achieved at no net cost.

Main Points

• Methane abatement is critical for near-term climate action, especially as it can deliver net cooling effects within a short timeframe, supporting the 1.5°C stabilization goal.
• Domestic policies are essential for achieving significant reductions. Existing policies such as leak detection and repair, technology standards, and bans on non-emergency flaring and venting can cut half of domestic emissions.
• Additional measures, including improved data transparency and enhanced measurement systems, are needed to maximize abatement.
• Committed countries could reduce methane emissions by nearly 15% if they implement all available policies. With international pressure and trade measures, an additional 10% could be achieved.
• Companies play a complementary role, especially in countries with limited regulatory capacity. Many have joined voluntary initiatives like the Methane Guiding Principles (MGP) and Oil and Gas Methane Partnership 2.0 (OGMP 2.0) to reduce their own emissions and advocate for better policies.
• Coal methane emissions are more challenging to reduce, but lowering coal demand is the main driver for reductions. Existing and abandoned mines also need better management of methane leaks to avoid additional emissions.

Key Information

Methane Emissions Overview

• Methane contributes significantly to global warming.
• Fossil fuel operations are a major source of methane emissions.
• Oil and gas are the primary contributors to methane emissions from fossil fuels.
• Coal methane is more difficult to abate due to dispersed and low-concentration sources.

Abatement Opportunities

• Oil and gas can achieve 75% reduction through policy and technology.
• Coal requires a drastic decline in demand and improved mine management.
• Cost-effective abatement is possible in oil and gas, with 45% of emissions potentially avoided at no net cost.
• Satellite monitoring and real-time data tools are improving emissions detection and transparency.

International Cooperation

• A broad coalition is needed to achieve global reductions.
• Major importers can use buying power to encourage upstream reductions.
• Policy instruments, diplomatic efforts, and trade measures are important tools for international action.
• Data transparency is crucial for holding countries and companies accountable.

Role of Companies

• Companies are voluntarily reducing methane emissions through industry initiatives.
• OGMP 2.0 and MGP have seen 70+ companies commit to reporting standards.
• Company action can support global reductions, especially in non-committed countries.

Future Outlook

• The Net Zero Emissions by 2050 Scenario requires 75% methane reduction by 2030.
• Coal supply is expected to fall by over 50% by 2030, leading to significant methane reductions.
• Satellite and monitoring technologies are becoming increasingly effective in detecting leaks and supporting abatement.

Conclusion

This report provides a comprehensive analysis of measures and policies that can lead to 75% methane reduction from fossil fuel operations by 2030. It highlights the importance of domestic and international action, the role of companies, and the need for improved data transparency. The time is now for concerted efforts to curb methane emissions, as it is one of the most effective tools for limiting climate change in the short term.