Two environmental groups filed a lawsuit in the federal district court for the District of Columbia challenging the Converse County Oil and Gas Project, which the plaintiffs alleged would involve development of 5,000 oil and natural gas wells in Wyoming’s Powder River Basin over a period of 10 years. The plaintiffs asserted claims under the National Environmental Policy Act (NEPA), the Federal Land Policy and Management Act (FLPMA), the Mineral Leasing Act (MLA), and the Administrative Procedure Act (APA). The complaint alleged that the defendants violated the MLA, FLPMA, and APA by failing to mitigate greenhouse gas and other air pollutant emissions. The complaint also alleged that the environmental review for the project violated NEPA by, among other things, failing to quantify the project’s cumulative greenhouse gas emissions and climate change impacts when combined with other reasonably foreseeable future actions and failing to consider reasonable alternatives that would reduce key impacts such as greenhouse gas emissions.

Challenge to the Converse County Oil and Gas Project in Wyoming's Powder River Basin.

Powder River Basin Resource Council v. U.S. Department of the Interior

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Environmental Groups Challenged 5,000-Well Oil and Gas Development Project in Wyoming

Filed

United States of America

District of Columbia

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Risk is the potential for adverse consequences resulting from the dynamic interplay between (climate-related) hazards, exposure, and vulnerability of affected human or ecological systems.

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Renewable energy means all forms of energy produced from renewable sources in a sustainable manner.

Fossil fuel is a generic term for non-renewable energy sources such as coal, fossil gas, and oil (including crude oil, and petroleum products), that can be used for electricity and heat generation. Fossil fuels are hydrocarbons formed from pressurised and heated organic material buried over millions of years.

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Area of the economy in which actors engage in identical or related activities.

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The management and allocation of funds, assets and investments to meet various objectives

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The release of heat-trapping gases, primarily from human activities such as burning fossil fuels, agriculture and industry.

A long-lived, colourless gas, chiefly emitted from fossil fuel combustion, deforestation and cement production.

Replacing technologies that burn fossil fuels directly with alternatives powered by electricity.

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Oil is a combustible liquid fossil fuel composed mainly of hydrocarbons, occurring as crude oil and refined into petroleum products such as petrol, diesel and kerosene.

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Environmental Groups Challenged 5,000-Well Oil and Gas Development Project in Wyoming

Policy instrument

Risk

Impacted group

Just transition

Renewable energy

Fossil fuel

Greenhouse gas

Economic sector

Adaptation/resilience

Finance