From the climate crisis to the Brexit impasse, including rising tensions in the Middle East, Euronews takes a look at the key issues that will dominate the agenda at the multilateral summit.
A tropical cyclone carrying heavy rain and strong winds is threatening the already devastated Bahamas, potentially complicating ongoing recovery efforts.
The new weather system, known as Tropical Cyclone Nine, has strengthened into Tropical Storm Humberto.
It follows pleas by the UN High Commissioner for Human Rights, who said airstrikes by the Syrian government and its ally Russia have hit schools, hospitals and markets, killing scores of civilians in Idlib province, the country's last rebel stronghold.
The bloody repression of protesters by the military in Sudan has been greeted with a wave of international outcry condemning the violence
Here's our round-up of all the news stories making headlines on day three of the World Economic Forum in Davos.
The UN says human rights declaration more relevant than ever as world marks 70th anniversary of landmark event
Diplomats and politicians welcom the move as a good first step
Migrants returning to the Ivory Coast to be repatriated reveal the horrors of the migrant slave trade.
U.N. Secretary-General Antonio Guterres has urged Myanmar authorities to end violence against Rohingya Muslims, saying the situation there could best be described as ethnic cleansing.
Syria investigator Del Ponte tells Euronews why she quit commission
Talks aimed at ending the four-decade Cyprus conflict have collapsed
The diplomatic breakdown in the Swiss Alps reportedly followed a stormy final
There is an urgent call for more aid to help Uganda cope with an influx of refugees fleeing conflict in South Sudan.
It comes at a UN-backed summit
The first-ever UN conference on seas and oceans and their sustainable use has opened in New York with a ceremony lead by group from Fiji.
UN calls for strong action against climate change
The success of the UN will depend on a strong and united Europe.
There is a call for more international aid to help the tens of thousands of people fleeing the fighting in Mosul.
UN Secretary General António Guterres encourages young Syrian women to aim for government positions in the future
UN Secretary-General António Guterres has opened the 34th Human Rights Council with a personal pledge to speak out against abuses.
The UN High Commissioner for Refugees has also called on the world to "show solidarity" with Syrian refugees
The United Nations has a new man at the top – former Portuguese prime minister Antonio Guterres has replaced Ban Ki-moon as secretary general.
The UN's new secretary general has officially taken office with a New Year appeal for global unity.
It is a heavy and critical workload which Antonio Guterres will inherit from Ban Ki-moon when the former Portuguese prime minister takes up office at the United…
Portuguese former PM Guterres takes over from Ban Ki-moon in top UN spot.
Guterres will take over from Ban Ki-moon on 1 January.
He pledges to make sweeping structural changes at the UN.
A call for human rights to be respected globally was made on Monday by UN Secretary General-elect Antonio Guterres, during a visit to Beijing.
Set up more than 70 years ago with fine ideals, the United Nations has been often criticised as ineffectual.