As people from over 170 nations prepare to participate in Earth Hour 2015, here's everything you need to know about the annual event.
Thousands who crossed Egypt's western border to find work have been returning home by land or by flights from Tunisia.
The U.N. Human Rights Council launched its inquiry in September after the militant group seized large swathes of northern Iraq.
Questions have long swirled over whether Hammarskjöld's plane was shot down en route to Belgian Congo peace talks.
The photographs were smuggled out of Syria by a forensic photographer known as "Caesar."
The IMF's bailout program for Ukraine assumes Kiev will be able to get $15.4 billion from talks with its creditors, according to four sources familiar with the IMF's documents, said an exclusive Reuters report.
A political row in the world's youngest country triggered a conflict that has killed more than 10,000 people. Talks broke down Friday.
The bulldozing of one of Iraq’s most historical archaeological sites is the latest assault by ISIS against the region’s cultural heritage.
A UN report, issued ahead of International Women's Day, finds progress to correct gender inequality has been painfully slow.
The U.N.'s Food and Agriculture Organization said that the decline was fueled by "robust supply conditions" and low crude oil prices.
A new UN report also criticized the legalization of marijuana in certain U.S. states.
A U.N. official released figures showing the grim price Iraqis are paying for the activities of terrorists such as the Islamic State group.
The World Health Organization is concerned about avian influenza, noting the diversity of flu viruses currently circulating is unprecedented.
An annual report on the implementation of sanctions against Pyongyang says the country is continuing to evade restrictions against buying armaments.
Rajendra Pachauri, who headed the U.N.'s Intergovernmental Panel on Climate Change, resigned Tuesday over allegations in India.
As a permanent member of the U.N. Security Council, Russia has veto power over peacekeeping deployments, which means that a deployment is unlikely without a shift in Russia’s stance on Ukraine.
Authorities said that they have found bodies with surgical incisions and missing kidneys or other organs in shallow mass graves.
Both the Sri Lankan army and the Tamil separatist group LTTE stand accused of war crimes committed during the three-decade conflict.
The goal of the summit in Geneva was to have a new global climate agreement in place by the end of 2015.
Al Qaeda overtook an army base in southern Yemen Thursday, and the U.N. is expressing concern.
Ireland’s economy has performed well since it left the so-called troika bailout program, with yields on the nation's debt now at record lows.
Russian officials hope "clarity" will be brought to discussions on Friday between Angela Merkel, Francois Hollande and Vladimir Putin.