Introduction
Mexico’s recent update to its NDC 3.0 demonstrates a renewed commitment to combating climate change, with a significant focus on reducing methane emissions by 30% by 2030. This pledge not only benefits the environment but also enhances energy efficiency and public health in communities near hydrocarbon production and processing sites.
The Role of Methane in Hydrocarbons
Methane, the primary component of natural gas, has a global warming potential 80 times greater than CO₂ over a 20-year period. Scientists have dubbed methane the “emergency brake” in climate action. Reducing global methane emissions is a secure and cost-effective strategy, enabling the achievement of emission reduction targets in a relatively short timeframe. According to the United Nations Environment Programme, decreasing global methane emissions could prevent approximately 0.3°C of warming by 2045.
Efficiency and Security Perspectives
From an energy efficiency standpoint, Mexico stands to gain significantly from reducing methane emissions in hydrocarbon extraction, processing, and transportation. These leaks account for an estimated loss of 100 million cubic meters of natural gas annually, equivalent to around four billion pesos. This amount could represent a substantial portion of the energy sector’s consumption, which was reported at 4,335.61 PJ by the Secretariat of Energy in 2023.
Strategically, capturing and utilizing methane emissions bolsters Mexico’s energy security. Currently, the country imports about 70% of its national gas demand from the United States. Enhancing energy efficiency in the hydrocarbon sector would help decrease this reliance.
Public Health Benefits
Reducing methane emissions presents an opportunity to improve public health, especially for vulnerable communities in oil- and gas-producing states like Tabasco, Tamaulipas, Veracruz, and Campeche. Methane, along with other contaminants associated with hydrocarbon production such as benzene, nitrogen oxides, and sulfur dioxide, contributes to respiratory and cardiovascular diseases. Lowering air pollution could prevent tens of thousands of premature deaths and reduce hospitalizations for asthma, lung cancer, and heart conditions.
The Global Methane Assessment estimates that a 45% reduction in methane emissions could prevent 260,000 premature deaths and 775,000 asthma hospitalizations worldwide. Although further studies are needed in Mexico, numerous communities near petroleum areas report respiratory, skin issues, and other complications linked to chronic exposure to these contaminants.
From Commitments to Action
A significant challenge in achieving emission mitigation goals is transitioning from commitments to action, a responsibility shared by all countries and emitters globally. To support monitoring and evaluation of progress toward emission goals, the Environmental Defense Fund (EDF), the International Energy Agency (IEA), and the United Nations Environment Programme (UNEP) collaborated on the Pledges to Progress 2025 report.
The document analyzes 25 performance metrics on setting targets, implementation strategies, and information disclosure for 116 companies representing 80% of global oil and gas production. These companies have set ambitious methane emission reduction targets.
The study concludes that only 7 of the evaluated companies have credible implementation plans to meet their targets. Furthermore, just 7 companies share accurate information about their emission sources, mitigation initiatives, and associated costs. The aim is not to single out individual companies but to promote transparency so all sector participants have adequate information and strive toward their own goals.
Progress Amidst Challenges
Despite slow progress in combating climate change, there are encouraging signs. In Mexico, a prime example is Pemex and the Mexican Petroleum Institute’s recent collaboration with the World Bank under the Global Methane Reduction Initiative. This effort aims to identify opportunities for expanding leak detection and measurement programs, develop replicable gas recovery projects, and enhance efficiency in gas processing centers.
Mexico’s NDC 3.0 pledge positions the country at a turning point in environmental protection and positive contributions to international climate action efforts in the energy sector. Realizing methane reduction benefits requires determination, consistency, transparency, and active collaboration.