BBC News Science & Environment

Why experts say cutting contrails costs less than $1bn a year but may be worth so much more.

Turning Wales into a "forest nation" would also lead to greener homes and jobs, say experts.

Scientists say poaching during Mozambique's civil war led to more females being born without tusks.

How the metaverse, energy tech and AI might influence how we live in years to come.

This is the first report of this fungus-like pathogen in Europe.

Government advisers express "deep concern" at planned reductions in aid spending before COP26.

One company plans to build the world's longest electricity cable to connect Morocco to the UK.

NatureScot has been ordered to stop issuing licences to cull beavers by the Court of Session.

Countries will argue over a response and the poorest will suffer most, US intelligence says.

Authorities, who held the robot for 10 days, feared that it may have been hiding covert spy tools.

The government alleges they admitted to igniting fires last year that left three people dead.

The auction house said the skeleton was sold to a private collector for a European record of €6.65m.

What will the impact be on Glasgow, during talks that could bring major changes to lives across the world?

The benefits of a New Zealand trade deal to Welsh farmers were described as "microscopic".

Mark Day needs surgery after being bitten by a dog that also bit his brother-in-law, who later died.

Cumbrian councillors are reviewing their support for a controversial coal mine near Whitehaven.