3 reasons the Willow Arctic oil drilling project was approved – it's the latest battle in a long fight over Alaska's North Slope

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Scott L. Montgomery, University of Washington

(THE CONVERSATION) For more than six decades, Alaska’s North Slope has been a focus of intense controversy over oil development and wilderness protection, with no end in sight. Willow field, a 600-million-barrel, US$8 billion oil project recently approved by the Biden administration – to the outrage of environmental and climate activists – is the latest chapter in that long saga.

To understand why President Joe Biden allowed the project, despite vowing “no more drilling on federal lands, period” during his campaign for president, some historical background is necessary, along with a closer look at the ways domestic and international fears are complicating any decision for or against future oil development on the North Slope.

More than just Willow

The Willow project lies within a vast, 23 million-acre area known as the National Petroleum Reserve-Alaska, or NPR-A. This was one of four such reserves set aside in the early 1900s to guarantee a supply of oil for the U.S. military. Though no production existed at the time in...