Billionaire philanthropist Michael Bloomberg and the governor of California announced Wednesday a plan to quantify efforts by U.S. states, cities and businesses to drive down greenhouse gas emissions.

Bloomberg, the world's tenth richest person, leads more than 1,000 companies, organizations, state and local authorities who pledged to honor the Paris climate accord, after Donald Trump announced a US exit from the 190-plus nation pact.

Sri Lanka's navy has rescued an elephant that got into difficulties after being washed out to sea, a spokesman said Wednesday, calling it a "miraculous escape."

A baby panda in Japan has survived its crucial first 30 days, zoo officials said Wednesday, as fresh video showed the cub at one month old.

A trillion-ton iceberg, one of the largest ever recorded, has snapped off the West Antarctic ice shelf, scientists who have monitored the growing crack for years said on Wednesday.

"The calving occurred sometime between Monday, July 10 and Wednesday, July 12, when a 5,800-square kilometer (2,200-square mile) section of Larsen C (ice shelf) finally broke away," the Swansea University said in a statement.

The sixth mass extinction of life on Earth is unfolding more quickly than feared, scientists have warned.

A monsoon-like rainstorm dumped a record amount of rain on Paris, flooding streets, snarling traffic and briefly forcing the closure of metro stations, officials said Monday.

G20 countries have managed to avoid a total bust-up with Donald Trump over climate change, leaving the door open for Washington to return to the Paris Agreement -- but at the cost of risky concessions.

Activists with the Greenpeace environmental group unfurled a huge banner across the facade of a Trump hotel in Chicago Friday, calling it an act of defiance against the US president's environmental policies.

UNESCO said Thursday its World Heritage Committee (WHC) had decided not to place Australia's Great Barrier Reef on its list of sites "in danger" despite concern over coral bleaching.

Officials in Vietnam's traffic-choked capital Hanoi vowed on Tuesday to banish motorbikes by 2030 to ease environment and congestion woes, a decision that swiftly divided a city where two-wheelers are the main means of transportation.