BBC News

In the coming decade, billions could face a critical shortage of water. Here's what we can do about it.

An estimated 100 million sharks are killed every year, many for shark fin soup.

President Jair Bolsonaro orders soldiers to be sent to the region, after pressure from EU leaders.

Fires in the Amazon rainforest have prompted concern around the world.

The space agency is reportedly looking into an allegation against astronaut Anne McClain.

Sharks and rays pushed towards extinction by the shark fin trade are hot on the agenda at key wildlife talks.

How should you travel to reduce your carbon footprint?

Nancy Drew the tortoise has become famous around Tewkesbury, with people loving to stop and say hello.

It is hoped the unprecedented procedure will prevent the extinction of the northern white rhino.

Members of Brazil's Mura tribe vow to defend their land, as wildfires rage in the Amazon rainforest.

New technology has been developed to detect how happy the animals are.

Numbers of the world's tallest mammal have fallen in Africa by 40% in the past three decades.

Research during Ireland's abortion referendum highlights risks for social networks.

The WWF said it was "very unlikely" that pollution reduction targets would be met without new laws.

The robot, named Fedor, will perform daily tasks during its 10 days on the International Space Station.

Spectacular images from a new microscope spark a "revolution" in biology

A Hampshire lab tests tap water quality for 2.2 million people across the south east every day.

MPs say people will have to stop driving if the UK is to meet its Zero Carbon goals by 2050.

Fires in the Amazon have risen 84% amid growing deforestation, Brazil's space research agency says.

The first people to dive down to the Titanic in nearly 15 years say some parts of the wreck have been lost to the sea.

For the first time in 15 years divers have explored the Titanic wreck and say it is deteriorating.

Public urged to "recycle their tech" as rare, valuable materials in millions of old devices languish in UK homes.

Unwanted devices can contain elements that the world is running out of - so how can you help?

In a disused air raid shelter one company is growing crops, but what are the pros and cons of vertical farming?

Campaign groups in France are teaching people how to protest effectively, ahead of the G7 summit.

Ex-Farc rebels in Colombia, who spent decades fighting the government over land and power, have reinvented themselves as eco-warriors protecting the Amazon from illegal logging.

Previous research suggested 50 years of shale gas under the UK, but a new study says it could be less than 10.

Scientists working on a mission to the ocean moon of Europa can proceed with the final design and construction of the spacecraft, Nasa has said.

The $145m Chandrayaan-2 aims to become the first space mission to land on the Moon's south pole.

Many vegans boycott woollen clothing on the basis that it is cruel to sheep.

The singer said he lent his private plane to the royal pair - but he paid to carbon offset the trip.

Eduard Pernkopf created an "atlas" of anatomy by dissecting the bodies of Nazi political prisoners.

The cows on this floating farm in the Netherlands are helping find ways of making food sustainably

Farms are on the front line of climate change - vulnerable to extreme weather events - so farmers are coming up with new and surprising ways of tackling the problem.

A Nasa facility in Alabama will play a key role in sending astronauts to the Moon's surface in 2024.

Some countries are seeking extra protection while others want to re-open ivory markets at key trade meeting in Geneva.

One keeper says he spotted the signs and had to burn an entire hive to protect others.

Prehistoric inhabitants were infected with intestinal worms from eating raw fish, experts say.

The arrival of human ancestors in Europe spelled the downfall of the cave bear some 40,000 years ago.

It's a family business which has been around since 1942 - but now the last remaining cows are being sold off.

Brexit campaigner Arron Banks says his tweet about "freak yachting accidents" was a joke.

A fungal banana disease that experts describe as a serious threat to production has reached Colombia.

'Dr Becky' receives thousands of views on her YouTube channel which answers questions about the universe.

Dream Chaser will launch into orbit on the future Vulcan rocket for re-supply flights to the space station.

Only experienced mountaineers should be climbing the world's highest peak, a Nepali panel recommends.

Scientists have found that particles of plastic are falling out of the sky with snow in the Arctic.

Even in the Arctic, microscopic particles of plastic are falling out of the sky with snow, a study has found.

People urged to check for the bloom which can cause swimmers rashes and fever and prove fatal to dogs.