The Review Conference of the Nuclear Nonproliferation Treaty gets underway amid new concerns about Iran and North Korea and disputes between nuclear haves and have-nots. Fifteen countries will play a…

A short summary of each of the G-20 member’s objectives for the April summit in London.

The UN conference on climate change that begins December 7 in Copenhagen is supposed to produce new targets for emissions reductions, but experts say major countries are at odds on the ultimate goal …

Angola, Africa’s top oil producer, is flush with money. Yet wealth remains concentrated in the hands of a very few, leaving the bulk of the population in poverty.

Iran’s nuclear program is believed to have steadily progressed, despite sharply increased concerns over its intentions and sanctions over its lack of transparency.