BELEM, Brazil (AP) – U.N. climate negotiations began Monday on the edge of the Brazilian Amazon as leaders pushed for accelerating efforts to curb global warming by drastically reducing the carbon pollution that causes it. But top U.S. negotiators were absent.

MEXICO CITY (AP) – More than 14,000 mainly Venezuelan migrants who hoped to reach the United States have reversed course and turned south since U.S. President Donald Trump’s immigration crackdown began, according to a report published Friday by the governments of Colombia, Panama and Costa Rica.

NEW YORK (AP) – Frustration is mounting over the growing number of flight cancellations and delays at airports across the United States, however those disruptions are scheduled to get worse this week and linger even after the government shutdown ends.