UNHCR says it does not see any end to the influx of people in coming months amid continued violence in both Iraq and Syria.
The Palestinian camp has experienced an escalating humanitarian crisis amid a harsh government blockade and growing ISIS influence.
The U.N. official's visit to Syria came as the Islamic State group released a video showing two supposedly gay men being thrown off a roof to their deaths.
Rodrigo Rato, who headed the IMF from 2004 to 2007, is a target of tax, money-laundering and other investigations.
More than two dozen polling stations were reportedly closed because of violence, but international observers say the parliamentary elections Sunday were successful overall.
United Nations health experts are concerned about the effects of Israel's blockade of the Gaza Strip, where infant deaths have risen for the first time in half a century.
The Iranian government, which has until Oct. 15 to allow international inspectors access to the suspected nuclear site, dismissed an American think tank's claim as "baseless."
“We never promised 'one person, one vote' and to make a ballot box available in every meter of the country,” Somalia's president said.
Libyan leaders say they could defeat Islamic State militants by the end of the year if the U.N. Security Council would lift its arms embargo.
“Climate change is not science fiction,” said the Terminator star ahead of the United Nations meeting on the issue in December.
Reaching a worthwhile deal would require "forsaking the use of 80 percent of the fossil-based energy resources to which we still have easy access."
The issue of debt relief for Greece is "uncontroversial," Mario Draghi, chief of the European Central bank, said on Thursday.
African nations are some of the lightest polluters in the world, yet environmental scientists say they bear the brunt of climate change.
An agreement said to be is mostly ready with only small differences yet to be ironed out.
The world population is projected to be more than 9 billion by 2050.
Scientists urge the world to spend more on research and development expenditures, saying it is the way to escape poverty.
The prime minister of Tuvalu wants world leaders to organize a global pact to address the issue of climate change.
South Sudan's President Salva Kiir has been blamed for rising violence in the country.
Aid agencies estimate that fighting in the country has rendered homeless at least 7.6 million people still living in the country.
The United Nation's children's fund warned that the ongoing cholera outbreak in South Sudan could claim a devastating number of lives if it spreads to war-torn areas.
The Texas Senator's call came after the body passed a resolution to condemn Israel's conduct during the 2014 Gaza war. The U.S. was the only country to vote against it.
The United Nations has decided to send a mission to assess violence in South Sudan amid allegations of some of the worst violence the country has seen in recent years.