A persistent polar vortex displacement in January brought prolonged Arctic air to much of the United States.

A persistent cold patch south of Greenland signals a long-term weakening of the Atlantic Meridional Overturning Circulation.

The Trump administration’s extensive deregulation weakened U.S.

environmental protections through staff reductions, halted monitoring, and repealed standards.

Urban heat in American cities increasingly poses a public health risk, driven by climate change and exacerbated.

American foreign policy, once sustained by long-standing trust and institutional stability, has suffered a structural collapse of.

The Trump administration’s climate policies have accelerated fossil fuel production, suspended offshore wind projects, and rolled back.