Ukraine is still suffering from the trauma of the world's worst civil nuclear accident at Chernobyl but has nonetheless turned the hazardous fuel into the backbone of its energy portfolio.

Signs are mounting that US President Donald Trump's administration may stay in the landmark Paris climate change accord of 2015, under pressure from big business and public support for the agreement.

After moving to unstitch climate change rules, US President Donald Trump is turning his sights on America's vast nature preserves, with a view to possibly lifting federal protections brought in over the past two decades.

Human activity risks contaminating pristine water stockpiled deep underground since the age of the mammoths, said a study Tuesday that warns of a looming threat to a critical life source.

The British government is seeking to postpone the publication of its keenly-awaited air-pollution plan due to elections, raising the prospect a legal challenge. 

The psychedelic clouds in Edvard Munch's iconic "The Scream" have alternatively been interpreted as a metaphor for mental anguish or a literal depiction of volcanic fallout.

The Trump administration's climate skepticism and its possible withdrawal from the landmark Paris Agreement of 2015 drew a cloud over this week's grand economic conclave in Washington.

The regular meetings of the World Bank and International Monetary Fund -- always accompanied by a gathering of G20 finance ministers -- have rung out with calls to action against global warming in recent years.

Thousands of people rallied in Australia and New Zealand Saturday in support of science, the first of more than 500 marches globally triggered by concern over the rise of "alternative facts".

The United States has a better-than-even chance of sticking with a landmark 2015 global agreement on climate change, former US Vice President Al Gore said Friday.

Winter temperatures in Norway's Lapland could rise dramatically this century, with potentially devastating consequences for the region's reindeer and the indigenous Sami people who make their living herding them.