Vulnerable communities are our best teachers, because those on the frontline of climate change are also the first to adapt
"If we fail to act, South Sudan will be on a trajectory toward mass atrocities," Ban told the Security Council.
Many of Haiti's people are without drinking water and the spread of cholera is all but certain.
Weakened by years of food and medicine shortages, the people can't hold out.
The pair have had a frosty relationship but are to make time for each other in New York.
Ban's prepared speech appeared to praise Russia's role in "ending conflicts in Ukraine and Syria."
Ban Ki-moon sparked a row with Morocco by describing the disputed territory as under "occupation."
Morocco and Ban Ki-moon's dispute is the most serious since the 1991 ceasefire in Western Sahara.
Morocco has pulled its personnel from a U.N. mission in the disputed region.
Ban Ki-moon recently referred to Morocco's presence in Western Sahara as "occupation."
Ban Ki-moon has described the conflict as a "forgotten humanitarian tragedy."
President Nkurunziza held talks with U.N. chief Ban Ki-moon in a bid to bring peace to Burundi.
The leader of the global body rejects Netanyahu's charge that he is "encouraging terrorism."
The United Nations has said that it wants peace talks between the Syrian government and opposition to begin in Geneva on January 25.
If the trip goes ahead, Ban will be the third U.N. secretary-general to visit the country.
United Nations Secretary-General Ban Ki-Moon spoke on Wednesday about how the refugee crisis in Europe could lead to reductions in development aid.
The United Nations is hoping a roster of celebrities will help get the word out about its new development goals.
The actor and environmental activist said "we're all to blame" for the climate crisis.
Oxfam claims Riyadh air strike hit store in Houthi-held Saada containing humanitarian supplies despite knowing its location.
The IDF opens six criminal investigations into its conduct nine months after Gaza conflict.
The U.N. calls on communities to don orange to raise awareness.
Amid global turmoil, the secretary-general says climate change will dominate General Assembly discussion along with Ebola and ISIS.