NATO Secretary-General Mark Rutte said nothing about the possibility of the U.S. threatening a founding NATO member, after Trump called the Canadian border 'artificial.' ...

President Donald Trump continued to belittle Canada and threaten it with joining the United States as the economic war with the country continued.

Worsening relations with three of the United States’ biggest trading partners dominated a Senate hearing for the would-be U.S ...

Military might, economic force, tearing up two centuries of treaties — it will take more than a pencil and eraser to redraw ...

Protecting and conserving our natural heritage, predicting weather and environmental conditions, preventing and managing pollution, promoting clean growth and a sustainable environment for present and ...