A disarmament expert from Argentina has been appointed to head an independent panel tasked with determining who is behind chemical weapons attacks in Syria, the United Nations said Tuesday.
UN atomic watchdog chief Yukiya Amano urged Israel to come clean about its undeclared nuclear weapons capability during a visit to the country in August, an IAEA report revealed Friday.
The head of the UN atomic agency warned Monday against complacency on nuclear safety six months on from Fukushima, after it became clear his draft global "action plan" had been watered down.
The construction sector -- the most polluting and difficult to decarbonise -- must build less, use more sustainable materials and clean up conventional ones to slash its emissions, the United Nations said on Tuesday.
World leaders converge on New York and Pittsburgh this week for pivotal talks in the two-year effort to remake global climate rules, with success far from assured.
UN member states on Tuesday kicked off two years of negotiations toward a treaty that would finally regulate the high seas, which contain vast troves of valuable plant and animal DNA.
The interim UN envoy for Libya, Stephanie Williams, on Wednesday denounced what she called "blatant" ongoing violations of the arms embargo in effect on the war-wracked country.
The United Nations is urgently seeking more than $71 million to assist those most in need after deadly flash floods swept Libya over the weekend.
After months of difficult negotiations, can the United States and Iran find a way to salvage the 2015 nuclear accord?
UN inspectors spent a second day Friday at a Russian-held nuclear plant and at least two will remain on a permanent basis to ensure safety after the United Nations atomic agency said the site had been "violated" by the fighting in Ukraine.
UN humanitarian chief Martin Griffiths warned Monday that Somalia was on the brink of famine after being hit by four failed rainy seasons that have caused a devastating drought.
Global leaders are gathering in New York on Sunday for a "Summit of the Future" aimed at addressing 21st-century challenges ranging from conflict to climate, amid skepticism over whether the final pact will meet its lofty goals.
The new UN humanitarian chief has warned that after the Asian tsunami, the Haiti earthquake and the Pakistan floods, the world must brace for a growing number of disasters that will need a new battle campaign.
The United Nations treaty to protect the ozone layer signed nearly 25 years ago prevented an environmental disaster, a chief UN scientist said Friday, cautioning though that the Earth's radiation shield is still under threat.
The United Nations gathered new aid pledges for the Pakistan flood disaster on Sunday after making a record two billion dollar appeal to feed millions of victims.
The UN atomic agency adopted a non-binding resolution on a nuclear weapons-free-zone in the Middle East with Israel and the US voting against and EU states except Ireland abstaining.
