BBC

An investigation is launched after the marine mammal was found with the president's name on its body.

US greenhouse gas emissions tumbled below their 1990 level last year, because of Covid-19 shutdowns.

Harbour porpoises exposed to PCBs had shrunken testicles, suggesting sperm and fertility effects.

Hopes that Africa could "leapfrog" fossil fuels and move to renewables are not being realised.

The PM says investment is needed to protect marine life, forests and sustainable food production.

In 2018, the EU and UK imposed an almost-total ban because of the serious damage it could cause.

He wants businesses to do more to protect the planet as he marks 50 years of environmental campaigning.

The NHS is carrying out the biggest vaccination campaign in its history - what safety checks were made?

How a year of intense scientific effort unravelled the secrets of a virus that shut down the world.

The pangolin is said to be the world's most trafficked mammal. The BBC reports on a rescue operation.

Three thousand days and counting: Nasa's Curiosity rover continues its extraordinary exploration of Mars.

Business Secretary Alok Sharma becomes full-time president of November's COP26 conference in Glasgow.

Elon Musk's company SpaceX is building a vehicle that could transform space travel.

The broadcasting legend reveals to Radio 1's Greg James he's busy enough replying to letters.

Satellite data shows that 2020 and 2016 are essentially tied as the hottest years since records began.

The aerospace industry is testing models of radical looking aircraft, but will they ever make it into production?

The government launches a public consultation on using gene editing to modify livestock and crops.

Six principles that have helped Elon Musk become one of the richest people on the planet.

The government rejects holding an inquiry into plans for a coal mine, meaning it can progress.

The Trump administration pushes ahead with first oil lease sales in an Arctic wildlife refuge.