Americans once associated spheres of influence with a cynical, volatile European past. Now Washington is resurrecting them.

The study of great powers and great power rivalry has recently gained increased prominence particularly because the world today seems to be moving away from being dominated by a single power or ...

Instead of speaking softly and carrying a big stick, as former President Theodore Roosevelt once advocated, President Donald Trump has threatened to turn Canada into the 51st state, to annex ...

“It seemed to many at the time that this was the beginning of a new formation of climate geopolitics, with the great powers coming together and negotiating before the rest of the world is asked to ...

If the U.S. backs Russian sovereignty over militarily occupied Crimea as part of a Ukraine peace deal, that could endanger ...

Never mind the cry of scientists baptizing the rainforest as one of the great climatic pillars. For the world's power relations, the forest and its inhabitants are to blame for the plague that ...