Climate activist Greta Thunberg was on Monday awarded a Portuguese rights award and promptly pledged the million-euro prize to groups working to protect the environment and halt climate change.

Climate change is starving polar bears into extinction, according to research published Monday that predicts the apex carnivores could all but disappear within the span of a human lifetime.

Stein van Oosteren was cycling along the Avenue Denfert Rochereau in Paris when, to his surprise, he found himself in a "caravan" of bikes.

Known for ecological advances and a relatively light carbon footprint among industrialised nations, Sweden wants to be the first that is carbon neutral by 2045.

One fifth of beef and soybean exports from Brazil to the European Union is produced on land that was illegally deforested, according to a report published in Science magazine.

A heatwave in Siberia that saw temperature records tumble as the region sweltered in 38-degree Celsius highs was "almost impossible" without the influence of manmade climate change, leading scientists said.

White House hopeful Joe Biden on Tuesday unveiled an ambitious, $2 trillion climate change plan that would revamp the U.S. energy sector and seek to achieve carbon pollution-free power in just 15 years.

Soldiers erected sandbag flood barriers in a city near China's largest freshwater lake after the heaviest rainfall in nearly six decades drenched the swollen Yangtze River basin.

Floods across central and eastern China have left more than 140 people dead or missing and are swelling major rivers and lakes to record-high levels, with authorities warning that the worst was yet to come.

An abandoned oil tanker lying off Yemen's coast with 1.1 million barrels of crude on board is deteriorating badly and could rupture at any time, with disastrous results for Red Sea marine life, U.N. and other experts warn.