BBC

At the World Economic Forum, he asked: "Do we want to go down in history as the people who did nothing?"

Acute stress damages stem cells that control hair and skin colour, a study suggests.

The heir to the throne calls for a "paradigm shift" in the way the world deals with climate change.

The 2.2 billion-year-old asteroid impact may explain the end of an ice age, scientists say.

A UK-led satellite aims to get an absolute measurement of the light reflected off Earth's surface.

The Swedish climate activist and the US president gave very different speeches at Davos.

The US president attacks activists at the World Economic Forum, with Greta Thunberg in the audience.

Teenage climate activist Greta Thunberg has addressed world leaders at the World Economic Forum in Davos, Switzerland.

The US president called for the rejection of "the perennial prophets of doom" during his speech.

Tie-up of flexible solar film and energy storage aims to take homes and business off-grid.

Roads are dominating new housing developments, a report says, despite more people wanting to drive less.

Research is at an early stage but scientists said it had huge potential for destroying cancers.

High pressure at Heathrow Airport reaches 1,049.6 millibars - a record for the UK's capital.

The impact of humans on nature may have been far greater and longer-lasting than we thought, say scientists.

But it rejects a claim by a man whose Pacific Island nation is threatened by rising sea levels.

Malaysia will not become "the garbage dump of the world", says the country's environment minister.

Bioluminescent algae in Jervis Bay, Australia, glows in a captivating night time display.

One of the world's biggest users of plastic plans to phase out most single-use items by 2025.

The price of the precious metal palladium has hit a record high of $2,500 an ounce as demand rises.

China is a country caught in the middle of a global struggle: to develop but also be green.