New UN chief wants consensus but faces antagonistic Trump

Antonio Guterres takes the reins of the United Nations on New Year's Day, promising to be a "bridge-builder" but facing an antagonistic incoming U.S. administration led by Donald Trump who thinks the world body's 193 member states do nothing except talk and have a good time.

The former Portuguese prime minister and U.N. refugee chief told reporters after being sworn-in as secretary-general on Dec. 12 that he will engage all governments — "and, of course, also with the next government of the United States" — and show his willingness to cooperate on "the enormous challenges that we'll be facing together."

UN alarmed by 12th straight global monthly heat record

The United Nations has expressed alarm after scientists recorded the 12th straight global monthly heat record in a row.

The data from the U.S. National Oceanic and Atmospheric Administration released Thursday confirmed earlier readings taken by NASA and the Japan Meteorological Agency. They showed that Earth's average temperature in April was 1.1 degrees Celsius (2 degrees Fahrenheit) higher than the 20th-century average.

Historic pact to slow global warming is celebrated in Paris

Nearly 200 nations adopted the first global pact to fight climate change on Saturday, calling on the world to collectively cut and then eliminate greenhouse gas pollution but imposing no sanctions on countries that don't.

The "Paris agreement" aims to keep global temperatures from rising another degree Celsius (1.8 Fahrenheit) between now and 2100, a key demand of poor countries ravaged by rising sea levels and other effects of climate change.

United Nations charter, signed in San Francisco, turns 70

Hundreds of people packed the rotunda of San Francisco City Hall to mark the 70th birthday of the signing of the United Nations charter.