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According to the World Bank, over 7,500,000 kt of [[Glossary:Methane|methane]] were released into the atmosphere worldwide as a result of agriculture and industry. The United States government is developing regulations to reduce methane emissions from the oil industry by more than 40% over the next decade. Methane emissions are second only to carbon dioxide as contributors to the greenhouse effect. At the same time, the government is investing money in research to seek reliable ways to measure the level of methane emissions in the atmosphere that have come directly from natural gas production. | <parsererror style="display: block; white-space: pre; border: 2px solid #c77; padding: 0 1em 0 1em; margin: 1em; background-color: #fdd; color: black"> | ||
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According to the World Bank<ref>World Bank. Indicators. http://data.worldbank.org/indicator?display=graph.</ref>, over 7,500,000 kt of [[Glossary:Methane|methane]] were released into the atmosphere worldwide as a result of agriculture and industry. The United States government is developing regulations to reduce methane emissions from the oil industry by more than 40% over the next decade. Methane emissions are second only to carbon dioxide as contributors to the greenhouse effect. At the same time, the government is investing money in research to seek reliable ways to measure the level of methane emissions in the atmosphere that have come directly from natural gas production. | |||
== Measuring methane emissions == | == Measuring methane emissions == | ||
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With direct measurements of emissions from devices on 377 wells operated by 10 companies cooperating on the survey, Allen gathered data that changed the EPA’s pie chart of E&P emissions of methane. Allen concluded that emissions during flowback have sharply dropped from 26% to <span style="line-height: 20.8px;">1%</span><span style="line-height: 1.6;"> in the EPA’s Greenhouse Gas Inventory. The decline, in addition larger-than-expected emissions by gas-powered pneumatic control devices, pushed its share of natural gas emissions from the EPA estimate of 26% to a steep 42%, making it the largest single category.</span> | With direct measurements of emissions from devices on 377 wells operated by 10 companies cooperating on the survey, Allen gathered data that changed the EPA’s pie chart of E&P emissions of methane. Allen concluded that emissions during flowback have sharply dropped from 26% to <span style="line-height: 20.8px;">1%</span><span style="line-height: 1.6;"> in the EPA’s Greenhouse Gas Inventory. The decline, in addition larger-than-expected emissions by gas-powered pneumatic control devices, pushed its share of natural gas emissions from the EPA estimate of 26% to a steep 42%, making it the largest single category.</span> | ||