PolicyBrief
H.R. 2674
119th CongressApr 7th 2025
Department of Homeland Security Climate Change Research Act
IN COMMITTEE

This Act directs the Department of Homeland Security to review and conduct research and development on the impacts of climate change on national security and disaster response capabilities.

Yvette Clarke
D

Yvette Clarke

Representative

NY-9

LEGISLATION

DHS Climate Research Bill Mandates Review of Disaster Funding and Preparedness for Climate Impacts

The newly introduced Department of Homeland Security Climate Change Research Act aims to get DHS ready for the real-world impacts of a changing climate. Essentially, the bill tells the Under Secretary for Science and Technology at DHS to take a hard look at how climate change is messing with their ability to do their job—specifically, how it affects emergency planning, disaster response, and recovery efforts. Crucially, the review also has to check if the way the government currently funds major disaster responses is set up correctly to handle these new climate-related challenges. After this review, if Congress puts up the money, DHS is authorized to start new research and development (R&D) projects to find ways to reduce these negative impacts.

The Fine Print: How Climate Change Hits Homeland Security

This isn't about general climate science; it’s about making sure the people who show up after a flood or fire know what they’re doing. The bill focuses on how climate shifts—defined here as changes caused by human activity or global atmospheric makeup—impact DHS operations. Think about it: A construction worker living near the coast, or a small business owner relying on a stable power grid, needs DHS to be effective when disaster strikes. If climate change means more frequent, more intense storms, that fundamentally changes how DHS plans for and responds to emergencies. This bill is the government saying, “We need R&D to figure out how to adapt our emergency playbook to the new reality.”

Who’s at the Table? Coordination is Key

One of the most practical parts of this bill is the mandatory coordination. The Under Secretary can't just do this research in a vacuum. They are required to consult and work with leaders from state, local, Tribal, and territorial governments. They also have to talk to the folks who own and run our critical infrastructure—the power plants, the communication networks, the water systems. For a city manager or a utility company executive, this means DHS research should be directly informed by the challenges they see on the ground, potentially leading to more relevant solutions for local resilience and faster recovery times after an event.

The Catch: Show Me the Money and the Report

There are two important caveats here. First, the authority to start new R&D is contingent on appropriations. That’s policy-speak for, “We can do this, if Congress gives us the cash.” So, while the review is mandated, the actual solutions might stall if the funding doesn't follow. Second, the bill includes a strong accountability measure: DHS must submit an annual report to specific Congressional committees detailing all the research activities for three years after the bill is enacted. This ensures that Congress gets regular updates on what DHS is learning and how they’re spending any research dollars, keeping the project transparent and focused on results.