To Meet Climate Goals, California Should Cut Oil Production, Report Says

California is in conflict with itself on climate action: It’s a leader in cutting greenhouse gas emissions—and it's the third-largest oil producer among the states.

The Chevron oil field near Bakersfield, California. Credit: Frederic J. Brown/AFP/Getty Images

The Stockholm Environment Institute used economic models to examine what would happen to global oil prices and consumption if California cut its oil output. Credit: Frederic J. Brown/AFP/Getty Images

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California built a reputation launching some of the most ambitious climate policies in the world, but it's also a significant oil producer, with the third largest oil production of any state.

If it were to eliminate even half of that production, it could cut global carbon dioxide emissions by 8 million to 24 million tons per year, the Stockholm Environment Institute says in a new report. That's equalivalent to as much as 5 percent of the state's overall emissions.

It's a supply-side approach to cutting emissions, rather than targeting demand the way the state's cap-and-trade or auto-efficiency rules do.

The authors argue that attacking fossil fuel production at the wellhead is necessary if California—often called the world's sixth-largest economy—is to help meet the goals of the Paris climate agreement. Studies have found that avoiding the worst risks of climate change means keeping most of the world's fossil fuel reserves—including a third of the oil—in the ground.

"You could in theory do that by reducing demand for fossil fuels," said Peter Erickson, a senior scientist at the Stockholm Environment Institute and co-author of the report. "But it's not happening fast enough, so that creates a need to limit the supply of fossil fuels."

The researchers used economic models to examine what would happen to global prices, consumption and production if California restricted its output.

Even though other regions would likely increase production somewhat, the authors estimate that global oil use would still drop by 0.2-0.6 barrels for every barrel that California does not produce.

Chart: California oil consumption and production since 1990

The simplest way for the state to cut production would be to cease issuing drilling permits, the authors say. California's oil production is already dropping. This would speed the decline, eliminating an additional 80 million barrels a year by 2030, according to the report.

The authors identify several other ways of cutting production, including implementing a greenhouse gas intensity standard, which would push aside the dirtiest oil, or imposing a severance tax based on the full life-cycle emissions from producing, shipping and burning oil. In 2016, President Obama's Council of Economic Advisers recommended applying something like this latter approach to federal coal leases.

Would It Work?

Targeting production could be tricky, though.

First, it's unclear whether California—which produces less than 1 percent of the world's oil—could have a measurable impact on global prices, said Kevin Birn, an oil industry analyst with IHSMarkit in Canada. "If it's a couple of cents, I don't know that anyone would really notice that."

Any attempt by the state to limit oil production could also meet legal challenges from owners of mineral rights and would surely face opposition from California's formidable oil industry.

In 2015, Gov. Jerry Brown proposed cutting the state's fuel consumption; oil companies spent millions of dollars lobbying against the effort, and lawmakers defeated it.

Last December, the state's Air Resources Board said it would explore cutting emissions by looking at energy production. But in a January blog post, Ken Alex, director of the Governor's Office of Planning and Research, cast doubt on whether limiting production would be effective or would simply export "environmental impacts to Venezuela and Saudi Arabia."

A Long Shot, with Benefits

While California is on track to meet its goal of cutting greenhouse gas emissions to 1990 levels by 2020, the state will need to adopt more stringent measures to achieve its targets beyond that date. Cuts from its transportation sector in particular have stalled.

Erikson said cutting oil production would have benefits beyond reducing emissions. The proceeds from a severance tax could be directed to help people who work in the oil industry find other jobs. Less production would also reduce air pollution near the state's oil fields, some of which are in poor communities.

Erikson, who said he is meeting with California policymakers in Sacramento this week, acknowledged that it's a long shot, though.

"It's thorny," he said. "There's lots of fault lines that we're trying to steer clear of, but there could be a moment to think about oil supply in California."

The state isn't alone in its conflicted stance on fossil fuels and climate. Activists have often criticized Norway's drilling program as the country works to slash emissions, and Canada continues to promote its tar sands even as it adopts new climate policies.

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