Climate XChange Staff

Revoking the Endangerment Finding: A Legal Fight, and Room for State Action

On February 12, EPA issued a final rule rescinding the 2009 Greenhouse Gas (GHG) endangerment finding. Under the Clean Air Act (CAA), the EPA is required to consider whether different types of pollutants can endanger public health or welfare. If...

Research Brief: Identifying Priority States for Data Center Regulation

The United States is seeing record buildout of data centers, in large part due to the AI boom and generous tax incentives across states. These facilities pose unprecedented risks to our water resources, climate and clean energy targets, energy affordability,...

Lessons Learned for Data Center Regulation: A Conversation with Minnesota Advocates

With growing demand for artificial intelligence and the expansion of cloud computing, increased data center deployment poses a key threat to countless public interest issues: energy affordability, grid reliability, and local water and air quality, to name a few. While...

2025 State Climate Updates: Our Full List of Enacted Policies and Trends

Our biweekly newsletter shares newly enacted state and federal climate policies, including legislation and executive branch regulations. Below is an archive of our state updates from 2025 and five trends we’ve seen from the policies states are enacting.Interested in reading...

2025 Update: Exploring State Climate Policy Trends and Opportunities

While the federal government has spent much of 2025 eliminating climate programs, cutting clean energy funding, and rolling back environmental regulations, states across the country have been exploring a wide range of policy approaches in an effort to meet our...

Reconciliation Bill Leaves Many Policy Gaps for States to Address

This article is a joint analysis from Climate XChange and Evergreen CollaborativeWith the enactment of the reconciliation legislation in early July, U.S. energy and climate policy has taken one of the sharpest regressive turns in history, sending shock waves through...

Policy Explainer: State-Level Strategies to Reduce HFC Emissions

Climate XChange’s Dashboard Digest is a deep dive on each of the policies that we track in the State Climate Policy Dashboard and an exploration of how these policies can interact with one another to form a robust policy landscape....

Sign that says United States Environmental Protection Agency with smoke covering it
How States Can Fill the Gaps Left by the EPA’s Climate Deregulation

On March 12, the Environmental Protection Agency (EPA) announced a list of agency actions and regulations under reconsideration, amounting to a sweeping change in how the agency regulates electric power, oil and gas production, vehicles, water and air quality, and...

Gavel resting on top of United States map
2024 State Climate Progress: Our Full List of Enacted Policies and Trends

The Policy Progress section of our biweekly newsletter shares newly enacted state climate policies, including legislation and executive branch regulations. Below is an archive of our Policy Progress updates from 2024 and five trends we’ve seen from the policies states...