This article has been updated to say that rapid reductions in methane could trim 0.3 degrees Celsius from overall global temperatures by 2050. An earlier version said the date was 2030.
Proposed rules from the Environmental Protection Agency would establish standards for old wells, impose more frequent and stringent leak monitoring, and require the capture of natural gas that is found alongside oil and is often released into the atmosphere. They mark the first time the federal government has moved to comprehensively tackle the seepage of methane from U.S. oil and gas infrastructure.
President Biden told delegates in Glasgow that cutting methane emissions is essential to keeping global warming to 1.5 degrees Celsius (2.7 degrees Fahrenheit) above levels in the late 1800s before widespread industrialization.
“One of the most important things we can do in this decisive decade — to keep 1.5 degrees in reach — is reduce our methane emissions as quickly as possible,” Biden said.
He said he hoped the world would surpass the pledges made. “Together we’re committed to collectively reduce our methane by 30 percent by 2030,” Biden said. “And I think we could probably go beyond that.”
Methane, the main component of natural gas, is the world’s second-largest contributor to climate change among greenhouse gases. Although it dissipates more quickly than carbon dioxide, it is 80 times as powerful during the first 20 years after it is released into the atmosphere.
Tackling methane is high on the agenda at the U.N. negotiations. The United States and the European Union have been pressing countries to sign the Global Methane Pledge to cut emissions. E.U. officials estimate that rapid reductions in methane could trim 0.3 degrees Celsius from overall global temperature rise by 2050.
Climate scientists say the world desperately needs drastic cuts in methane emissions to prevent catastrophic warming. Brazil on Monday said it had signed the methane pledge, and the White House said other top emitters to join included Indonesia, Pakistan, Argentina, Mexico, Nigeria, Iraq, Vietnam and Canada.
But some of the largest methane emitters still haven’t signed the pledge, including Russia and China.
“You’re not going to have everybody join,” said Steve Hamburg, chief scientist at the Environmental Defense Fund. “The fact that there’s now a large proportion of the global community signing on, that’s the real key.”
“The pledge to cut methane is the single biggest and fastest bite out of today’s warming,” Durwood Zaelke, president of the Institute for Governance and Sustainable Development, said in a statement.
In the Biden administration’s push to take on methane on the domestic front, the Transportation Department’s Pipeline and Hazardous Materials Safety Administration was expected to finalize a rule Tuesday extending federal pipeline safety standards to more than 400,000 miles of unregulated onshore gathering lines.
Previous efforts by the Obama administration to curb methane mostly focused on newer drilling sites and operations on federal lands. The oil industry has opposed federal methane regulations in the past, but many major companies have come to embrace them rather than face a patchwork of state rules.
Frank Macchiarola, senior vice president for policy, economics and regulatory affairs at the American Petroleum Institute, said the industry supports “a cost-effective rule” and has been working with Biden officials since the presidential transition to help craft the EPA requirements. The lobbying group said Tuesday that it was reviewing the EPA’s proposal.
The EPA announcement Tuesday reflects the Biden administration’s strategy to achieve near-term reductions in greenhouse gas emissions while convincing other nations that America can deliver on its ambitious climate goals.
“We need to lean in and set a very aggressive standard so that the industry understands what the rules of engagement are and what the expectations are,” EPA Administrator Michael Regan said in an interview last month.
“Methane is such a potent pollutant. It’s important that we understand what the contribution is from this industry, that it is monitored more effectively and that we get the deep methane emission reductions that we know we need in order to meet the president’s agenda,” he added.
The EPA is set to require most oil and gas operators to use special cameras or other instruments four times a year to spot and plug leaks of the invisible gas from compressor stations, as well as at sites the agency suspects are leaking more than three tons of methane annually. Drillers in Alaska’s North Slope region will be subject to a more permissive monitoring schedule and other requirements to account for extreme weather.
The agency will also require new and existing pneumatic controllers to have zero emissions. Those devices, used to control valves at oil and gas sites, are a leading source of methane emissions in the sector. Yet sales of zero-emission controllers have been slow, one industry executive said on the condition of anonymity, because oil field operators want to keep costs down and prefer to wait until the device is broken to replace it.
The EPA is also set to restrict the venting of natural gas found in oil wells, known as associated gas, requiring operators to route the gas to a pipeline when possible.
For the first time, older oil and gas wells, which are most prone to leaks, will have to curb methane. The new proposal will require states to develop their own methane rules for existing wells that are in line with federal guidelines, while the EPA will regulate all new wells.
“There is a general sense that at least when it comes to the oil and gas sector, a lot of the technologies and tools are available, so it is possible to cost-effectively reduce methane,” said Jeffrey Berman, director of energy transition analysis at the Rapidan Energy Group. “You can cost-effectively do a lot of the things that are required.”
This equipment includes better monitoring technology, zero-emission controllers, flares and valves.
Separately, the Pipeline and Hazardous Materials Safety Administration’s new rule will require oil and gas companies to report problems with pipelines carrying gas from wells to a centralized site.
When one of these pipes ruptures, it releases more than 1,000 metric tons of methane on average and can be deadly. The explosion in 2018 of a corroded 10-inch gas gathering line in Midland, Tex., killed a 3-year-old girl and badly burned members of her family.
“After years in development, these new regulations represent a major step to enhance and modernize pipeline safety and environmental standards,” Transportation Secretary Pete Buttigieg said in a statement. “This rule will improve safety, reduce greenhouse gas emissions, and result in more jobs for pipeline workers that are needed to help upgrade the safety and operations of these lines.”
The EPA proposal alone is estimated to reduce methane emissions by about 41 million tons through 2035 — an amount equal to taking more than 200 million passenger cars off the roads for a year. The agency plans to issue the final rule by the end of next year.
Republicans said the new EPA rule is ill-timed, as much of the world faces an energy crunch heading into winter. “This move by the Biden administration is yet another attack on U.S. energy,” said Sen. Shelley Moore Capito (W.Va.), the ranking Republican on the Senate Environment and Public Works Committee.
Plugging methane leaks is not just good for the health of Earth’s climate system. It also decreases the accumulation of toxic and smog-forming chemicals around oil drilling sites that make the air difficult and dangerous to breathe. The EPA proposal would prevent the emission of 480,000 tons of toxic air pollutants through 2035.
For Sue Franklin, the rotten-egg stench of sulfur dioxide from wells less than a mile from her Permian Basin home in West Texas made falling asleep difficult. “Smelling them all night long would cause horrific headaches,” she said.
Two years ago, she and her husband, Jim, had had enough and moved about 28 miles away from the property on which they had intended to retire. But the effects linger for her, she said.
“I am getting older, so things were going to start going downhill for me anyway,” the 70-year-old said in a phone interview. “But I think that they rushed it along for me a little bit.”
Nearly 1,500 miles away in western Pennsylvania, Lois Bower-Bjornson stopped opening the windows in her home in Washington County after her teenage son, Gunnar, began getting severe nosebleeds. Urine tests revealed elevated levels of industrial chemicals in the family’s bodies.
Bower-Bjornson said she wants federal rules on leaks because she thinks the state government has failed to step up: No county in Pennsylvania has more drilling sites than hers.
“We’re an energy-producing state,” she said. “So if I could wave a magic wand and this would all go away, that would be fabulous. But realistically, we know that’s not happening.”
Only a few states, including Colorado and New Mexico, have tried to regulate emissions from the oil and gas sector on their own. The EPA put forward a regulation aimed at stopping leaks from new oil and gas equipment less than a year before President Barack Obama left office, but the Trump administration rolled it back.
Robert Kleinberg, a research scholar at Columbia University’s Center on Global Energy Policy, said past federal rules allowed industry to comply too easily, without restricting major sources of methane, such as unlit flares at oil and gas wells. Gas flaring, while wasteful, is designed to burn off methane before it escapes into the atmosphere.
“Things have changed a lot even in the 10 years since these rules were first written,” he said. “Yet EPA has just not kept up.”
The EPA’s proposal does not address some significant sources of methane emissions in the oil and gas sector, including abandoned wells and malfunctions in gas flaring. Officials said the agency plans to issue a supplemental proposal next year to address those issues.
Lauren Pagel, policy director at Earthworks, an environmental group that travels the country detecting leaks with infrared cameras, said Biden’s proposals are “an important step forward” but not sufficient.
“Our certified thermographers consistently uncover unlit flares that are venting massive amounts of methane into the atmosphere,” she said. “Any common-sense pollution standards would cover venting from all sources, including flares.”
Democratic lawmakers are trying to drive down methane even further by imposing a fee on excessive emissions. In recent days, the lawmakers inserted a plan to phase in payments for methane leaks above a certain threshold into Biden’s signature climate and social spending bill.
The fee would start at $900 per ton in 2023 and increase to $1,500 in 2025. Oil and gas firms could also tap $775 million in grants, loans and other spending from the EPA to help them plug leaks.
But much of the oil industry and some moderate Democrats oppose that plan. Aides to Sen. Joe Manchin III (D), who represents gas-producing West Virginia, declined to comment Monday on the methane fee proposal.
“Really, it’s just a tax on natural gas, which is counterproductive,” said Macchiarola, the oil and gas lobbyist.
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