Fires in the Amazon have aroused international concern because of the rain forest’s outsize impact on climate, but political tensions are hampering the response.

President Trump and Prime Minister Morrison’s close relationship is good news for the decades-old alliance.

Election fraud allegations have prompted President Evo Morales to resign with no clear successor, plunging Bolivia into political uncertainty.

The summit will feature the highest-profile talks in years on the war between Ukraine and Russia-backed separatists, but the parties will have to bridge major divides to find a permanent end to the c…

Iran’s move to suspend cooperation with the 2015 nuclear deal threatens to further escalate already high tensions between Washington and Tehran.