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Mark Olalde

Mark Olalde is a reporter at ProPublica covering the environment in the Southwest.

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Mark Olalde is a reporter covering the environment in the Southwest. Before joining ProPublica, he wrote for The Desert Sun, The Arizona Republic and the Center for Public Integrity. His investigations, which have taken him to numerous countries, have also been published in the Los Angeles Times, High Country News, USA Today and international outlets. Olalde's coverage of hidden cleanup liabilities in California's oilfields earned him the 2020 Stokes Award. His work on South Africa's abandoned mines prompted a parliamentary investigation and saw him recognized in 2017 as the country's top print reporter covering the environment.

Trump Says He’ll Move Thousands of Federal Workers Out of Washington. Here’s What Happened the First Time He Tried.

The Bureau of Land Management’s headquarters moved from the capital to Colorado in 2020, causing an exodus of leadership. If elected, Trump plans to use the same tactic across more of the federal government.

Unplugged

Oklahoma’s Oil Industry Touts a Voluntary Fund to Clean Up Oil Wells. Major Drillers Want Their Contributions Refunded.

Oklahoma’s oil industry pays into a voluntary fund to clean up oil wells, but many drillers opt out. The money that has been refunded to these companies in recent years could have restored an estimated 1,500 orphan well sites.

Unplugged

California Isn’t Enforcing Its Strongest-in-the-Nation Oil Well Cleanup Law on Its Largest Oil Company

State regulators could have asked oil companies California Resources Corp. and Aera Energy for an estimated $2.4 billion to guarantee wells are plugged but decided they didn’t have the authority to do so.

Unplugged

How America’s “Most Powerful Lobby” Is Stifling Efforts to Reform Oil Well Cleanup in State After State

In New Mexico, oil companies agreed to work with regulators to find a solution to the state’s more than 70,000 unplugged wells. After months of negotiations, the industry turned against the bill it helped shape.

Unplugged

Oil Companies Contaminated a Family Farm. The Courts and Regulators Let the Drillers Walk Away.

The oil and gas industry has reaped profits without ensuring there will be money to plug and clean up their wells. In Oklahoma, that work could cost more than $7 billion if it falls to the state.

Unplugged

Oil Companies Must Set Aside More Money to Plug Wells, a New Rule Says. But It Won’t Be Enough.

The new Bureau of Land Management regulation, which applies to nearly 90,000 wells on federal public land, is hampered by math errors and overly optimistic cost projections.

Unplugged

The Rising Cost of the Oil Industry’s Slow Death

Unplugged oil and gas wells accelerate climate change, threaten public health and risk hitting taxpayers’ pocketbooks. ProPublica and Capital & Main found that the money set aside to fix the problem falls woefully short of the impending cost.

The Future of the Colorado River Hinges on One Young Negotiator

J.B. Hamby, California’s representative in talks about sharing water from the Colorado River, holds the keys to a quarter of the river’s flow — and its future.

The 20 Farming Families Who Use More Water From the Colorado River Than Some Western States

Tens of millions of people — and millions of acres of farmland — rely on the Colorado River’s water. But as its supply shrinks, these farmers get more water from the river than entire states.

Waiting for Water

Western States Opposed Tribes’ Access to the Colorado River 70 Years Ago. History Is Repeating Itself.

Records unearthed by a University of Virginia professor shed new light on states’ vocal opposition in the 1950s to tribes claiming their share of the river.