French President Emmanuel Macron on Sunday pledged hundreds of millions of dollars for solar projects in developing countries, as world leaders met in India to promote greater investment in renewable energy.

They might be at the bottom of the food chain, but krill could prove to be a secret weapon in the fight against the growing threat of plastic pollution in the world's oceans.

The San Francisco Bay area's Silicon Valley is home to a plethora of wealthy tech companies, but the sinking land beneath risks leading to far worse floods in the years to come, researchers said Wednesday.

Researchers have unveiled a genetic modification that enables plants to use a quarter less water with scant reduction in yield.

New Zealand has sweltered through its hottest summer on record and can expect more of the same if climate change continues unabated, the government's scientific agency said Tuesday.

Daily temperatures averaged 18.8 Celsius (65.84 Farenheit), 2.1C more than normal, the National Institute of Water and Atmospheric Research (NIWA) said.

Villagers in a remote Indonesian community disemboweled a critically endangered Sumatran tiger and then hung the big cat from a ceiling after it attacked a pair of locals, a conservation official said Monday.

Sea ice cover in Antarctica has dropped to its second-lowest on record, Australian authorities said Friday, adding that it was not yet clear what was driving the reduction after several years of record-highs.

A decade ago, a thick layer of ice covered the Collins Glacier on Antarctica's King George Island.

Europe remained Wednesday gripped by a blast of Siberian weather which has killed at least 24 people and carpeted palm-lined Mediterranean beaches in snow.

Oil that has washed ashore on several southern Japanese islands is likely from an Iranian tanker that sank in the East China Sea last month, Japan's coastguard said Friday.

Analysis of samples of heavy fuel that began washing up on remote Okinoerabu and Yoron islands this month found similar components to the fuel used by the Sanchi tanker, coastguard spokesman Takuya Matsumoto said.