China is suspending local meteorological bureaus from issuing smog alerts, media reported Wednesday, raising suspicions the government is attempting to suppress information about the country's air pollution as public anger over the issue grows.

More than 80 dolphins known as false killer whales have died off the southwest coast of Florida after getting stranded in shallow waters, U.S. officials said.

A pod of 95 of the dolphins, which are black in color and look like killer whales without white markings, became stranded in the Gulf Coast off Everglades National Park, the park said on Twitter.

More than 100 of Britain's top climate scientists on Monday urged Prime Minister Theresa May to press U.S. President-elect Donald Trump to safeguard government-led research on global warming.

Heavy snow has trapped around 1,000 motorists in northwestern Tunisia, the prime minister's office said Monday.

Drifts blocked roads including a major highway in the province of Jendouba on Sunday evening, Prime Minister Youssef Chahed's office said.

Vast icy rock peaks tower above Argentina's Carlini research base in Antarctica. But scientists who have worked here for decades say the glaciers are less icy than they once were.

A powerful winter storm battered Europe on Friday, killing one woman and leaving 330,000 homes without power in France as flights and train services were canceled and coastal areas put on flood alert.

The United Nations has warned of an oil spill south of the Iraqi city of Mosul, near the town of Qayara that was retaken from Islamic State militants some four months ago.

The warnings came in a report released this week on environmental damages caused by oil fires intentionally started by retreating IS militants.

Leading Russian ecological campaigner Alexei Yablokov, the founder of Greenpeace Russia and one of the pioneers of the post-Soviet environmental movement, has died at 83, the Russian Academy of Sciences said Wednesday.

Sydney sweltered through scorching temperatures topping 40 Celsius (104 Fahrenheit) on Wednesday, with beaches packed, bushfire warnings issued and people urged to stay hydrated.

Six people died in Poland over a 24-hour period as temperatures plunged across Europe, bringing the toll of hypothermia deaths in the country to 71 since November, authorities said Tuesday.

Police urged people to aid those most vulnerable to hypothermia, especially the homeless, as the mercury sank to below minus 20 degrees Celsius (minus 4 Fahrenheit) in some regions.