The Trump administration overturned the scientific basis for climate regulations, the largest rollback yet.

The Trump administration revoked a foundational scientific finding that greenhouse gases endanger public health, dismantling the basis for federal emissions regulations and marking the largest climate policy rollback to date. ICE defended its use of administrative warrants—signed only by agency officers—for home entries, facing legal challenges over Fourth Amendment rights. A federal judge blocked the Pentagon from punishing Senator Mark Kelly for a video urging military personnel to resist unlawful orders, citing First Amendment violations. In foreign policy, Prime Minister Netanyahu questioned U.S.-Iran nuclear talks, demanding Iran address its missile program and support for proxies. The Senate held a hearing on the 2025 Potomac River plane collision, urging passage of a bill requiring advanced aircraft locator systems to enhance air traffic safety.