After attacks in Afghanistan that killed five UN workers last week, the international body announced it is pulling out 600 of its foreign workers while it builds a fortified complex.
Allegations of war crimes by Israel and Hamas in Gaza last winter, outlined in Goldstone report, come before the UN General Assembly on Wednesday.
Some Afghans say they are tired of the election's toll on lives and business. A runoff between President Karzai and Dr. Abdullah is slated for Nov. 7.
UN officials say it gave fresh momentum to upcoming talks for a new climate change treaty. But many unresolved issues remain.
Topping the G-20 'to do' list is to settle on any additional economic stimulus – and whether to rein in banker bonuses. Global warming is on the table, too.
At Tuesday's UN meeting, Presidents Obama and Hu set down markers for what they expect to achieve at the December climate change summit in Copenhagen.
To battle climate change, President Obama told the UN on Tuesday that the US is ready to join other developed countries in cutting emissions.
After defeating the Tamil Tigers this spring, the country has delayed the return of more than 250,000 displaced Tamils, citing concerns about mines and potential terrorists.
From the releasing of doves in Kabul, Afghanistan to a massive concert in Havana, people around the world are marking the special day.