The Trump administration's withdrawal of U.S. funding for Palestinian refugees could create a huge humanitarian crisis.
In a ceremonial handover, the Palestinian president assumed the chairmanship of the Group of 77 major bloc of U.N. votes.
After eight years in the minority, Democrats vowed to redirect, block or investigate Republican U.S. President Donald Trump's domestic and foreign programs and priorities.
A new review of U.N. whistleblowing policies and practices by the U.N.'s Joint Inspection Unit showed little improvement from retaliation cases reported more than a decade earlier.
In a world of 7.6 billion people, 44,500 people a day — one person every two seconds — are displaced, the U.N. said.