While much of Western Canada, northern Ontario and Newfoundland burn this summer, there's a growing debate about whether ...

On the federal level, climate change was first acknowledged as a national security threat by President George W. Bush in August 1991, and the U.S. national security community first listed the ...

The effects of climate change disrupt social, economic, political and environmental development, hence the link to national security. Interior CS Dr Fred Matiang’i, while addressing the seventh ...

The change, however, will come next year, as the administration is asking for $175 billion for the Department of Homeland Security, an increase of $43.8 billion “to fully implement the President ...

From responding to weather disasters to rising competition in the fast-warming Arctic, militaries are exposed to climate change and cannot let it become a strategic "blind spot", security experts say.

The country has been rocked by severe flooding in recent weeks — and climate change is making it even more dangerous, according to a report. This week, torrential rain slammed New York and New Jersey, ...

“In some cases, the U.S. will need to compete for influence where China is taking advantage of climate change to improve its military posture in the South China Sea or become the relief provider of ...

National security leaders, the energy industry and economists are convinced Katko is right. Examples include Republican Senators like Howard Baker, Richard Lugar and Olympica Snowe.

A version of this article appears in print on June 1, 2025, Section A, Page 14 of the New York edition with the headline: Court Debates Whether a Climate Lawsuit Threatens National Security.