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Methane (CH4) is a greenhouse gas that remains in the atmosphere
for approximately 9-15 years. Methane is over 20 times more
effective in trapping heat in the atmosphere than carbon dioxide
(CO2)
over a 100-year period and is emitted from a variety of natural
and human-influenced sources. Human-influenced sources include
landfills, natural gas and petroleum
systems, agricultural activities, coal mining, stationary and
mobile combustion, wastewater treatment, and certain industrial
process.
Methane is also a primary constituent of natural gas and an important
energy source. As a result, efforts to prevent or utilize methane
emissions can provide significant energy, economic and environmental
benefits. In the United States, many companies are working
with EPA in voluntary efforts to reduce emissions
by implementing cost-effective management methods and technologies.
Methane is one of several non-CO2 gases
that contribute to global climate change. To learn more
about these gases and what EPA is doing to reduce their
impact, visit our Non-CO2 Gases page. |
The following links provide more information on methane and EPA's related activities:
- Science:
Find out more about methane's role as a greenhouse gas.
- Sources and Emissions:
Find out more about the sources of methane and current emission
levels.
- Projections and Mitigation Costs:
Find projections of future methane emissions and the costs associated with reducing those emissions.
- Voluntary Programs:
Learn more about EPA's
voluntary programs to reduce methane emissions.
- Other Non-CO2 Gases:
Learn more about the science, emissions, and reduction opportunities
for other non-CO2 greenhouse gases.
Methane to Markets Partnership Meeting  , November 15-17, 2004, Washington, DC. The first ministerial meeting of this new international initiative will be structured to facilitate discussions among Partner countries and initiate a public-private dialogue with interested stakeholders. The first day of the meeting will focus on technical issues related to methane capture and use opportunities in each of the targeted sectors. On the second day, Ministers will participate in a signing ceremony and in panel discussions. The third day of the event will be devoted to breakout sessions of the Steering Committee and subcommittees.
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