Olivia Guarna

4 posts
Olivia Guarna is the Climate Justice Fellow at the Sabin Center for Climate Change Law at Columbia Law School.

Demystifying President Trump’s “National Energy Emergency” and the Scope of Emergency Authority

It has been just a few weeks since President Donald J. Trump returned to the White House and, wow, what a whirlwind it has been. In the midst of the constitutional extreme event brought on by the administration, this blog post seeks to do one thing: review the emergency authorities […]

UPDATED: The Congressional Review Act’s Threat to Recent Climate Action

As climate advocates prepare for a second Trump administration, the potential threat of the Congressional Review Act (CRA) looms large. The CRA, which allows Congress to void certain rules issued recently by executive agencies, saw unprecedented activity during the first Trump administration and is expected to be similarly invoked in […]

Sabin Center Files Amicus Brief in Support of EPA’s 2024 Vehicle Emissions Standards

On Friday, December 6, the Sabin Center filed an amicus brief on behalf of the National League of Cities and the U.S. Conference of Mayors in support of the U.S. Environmental Protection Agency (EPA) in Kentucky v. EPA as part of our ongoing amicus efforts to support strong federal climate […]

Sabin Center Files Two Amicus Briefs Supporting EPA’s 2024 Power Plant Rules

Today, the Sabin Center filed two amicus briefs—one on behalf of the National League of Cities and the U.S. Conference of Mayors, and a second on behalf of experts in carbon capture and storage (CCS) science and technology—in support of the U.S. Environmental Protection Agency (EPA) in West Virginia v. […]