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El Paso, Texas v. Trump

The Fifth Circuit blocked a preliminary injunction issued by a district court that had barred the Trump Administration from using military funds to build portions of a border wall along the U.S.-Mexico border. The district court had found that the Consolidated Appropriations Act expressly forbade th...

Indigenous Environmental Network v. President Donald J. Trump

A district court denied a motion to dismiss a challenge to President Trump's issuance of a permit authorizing a pipeline company to construct a cross-border segment of the Keystone XL oil pipeline. Environmental groups argued the permit's unilateral authorization of the pipeline conflicted with Cong...

Should We Ban Single-Use Plastics?

Millions of tons of plastic enter the environment every year, killing wildlife, releasing toxins, clogging drains, and marring landscapes. Bans or restrictions on single-use plastics have exploded in popularity in recent years as a means of addressing these problems. Yet these bans remain controversial, with some businesses pushing back against what they consider excessive regulation and others maintaining that banning single-use plastics uses political capital that could be spent advancing more urgent and systemic agendas.

United States v. Exxon Mobil Corp.

The Ninth Circuit reversed a district court order denying the U.S. Chemical Safety and Hazard Board's petition to enforce subpoenas issued against an oil company following an explosion and chemical release at one of its refineries. The district court found that 29 of the subpoenas were enforceable, ...