BBC News

Three men die in little over a month in Romania, home to Europe's biggest brown bear population.

Tenia Lestari leads a network of volunteer divers who clear rubbish from the coral reefs and recycle what they find.

China is adding coal power equivalent to the EU's entire generating capacity.

Emma Banks puts on tours for some of the world's biggest musicians - but says they need to change.

Bushfires are spreading across Australia's east coast, ravaging the marsupial's main habitat.

A three-decades-long search may finally have located the hot object left behind by a famous supernova.

People in Sydney woke up to a city shrouded in smoke on Tuesday, as bushfires rage across the region

Sir David Attenborough says people's response to plastic pollution has been encouraging

"I think we're all shifting our behaviour," the BBC broadcaster says as he wins a prestigious award.

A leading London scientist quits the Geological Society over its ties with fossil fuel companies.

Rising winds could increase energy production from turbines by a third over the next decade.

A study identifies the genetics in ash trees that confers resistance to a deadly disease.

The rainforest loses 9,762 sq km in 12 months, an increase of nearly 30%, Brazil's space agency says.

Sharan Burrow wants to find alternative livelihoods for coal miners and therefore help protect our climate.

Trees are the latest green battleground in the election campaign, writes BBC Science editor David Shukman.

The British jet-powered car goes faster still during trials on a dried-out lakebed in South Africa.

Plan to "decarbonise capitalism" would be funded by extra borrowing and tax changes, party says.

The satellite that will maintain the "gold standard" measurement of ocean height is nearly complete.

The Environment Agency is worried about further flooding this winter after near-record rainfall.

The government says leaf blowers are "fatal to insects", which are in dramatic decline in Germany.

Scientists say rising temperatures are having a big influence on the scale and frequency of extreme weather events.

After some frustrating technical glitches, the land speed racer is upping its pace again.

Almost 10,000 new homes could be built on some of the most flood-prone areas of England.

What happened after a data hack suggested that climate change caused by humans is a hoax?

More than 300 fashion brands pledge to not participate in Black Friday because it's not good for the planet.

The oxygen in Martian air is changing in a way that can't currently be explained by known chemical processes.

Chicken eggs were found to contain 70 times the level allowed under European safety standards.

A pilot is in progress to see if invisible barcodes on packaging can improve recycling rates.

The British supersonic vehicle trials its airbrake system after a weekend in the repair shop.

The fossilised tooth of a mysterious extinct ape is shedding new light on the evolution of great apes.

A second Ebola vaccine is to be offered to thousands of people in the Democratic Republic of Congo.

Hayabusa-2 will return with samples of the asteroid after its yearlong journey back to Earth.

A state of disaster is declared as the Italian city is hit with a high tide of more than 1.87m.

The seabed is rich in metals, but what damage could mining it cause?

Demand is soaring for the metal cobalt, an essential ingredient in batteries and abundant on the seabed.

The 16-year-old climate activist will sail from the US to Madrid for the COP25 summit.

The winner of this year's competition has been crowned, and it looks a little painful.

Ranniel dives into one of Manila's most polluted rivers for less than two dollars a day.

Why has the huge amount of rainfall that hit South Yorkshire had such a large impact on people and property?

Plastic is building up in the areas of the ocean where fish feed and grow, according to research.

The Conservatives are accused of harbouring ambitions to revive fracking after the general election.

The US-China over artificial intelligence is heating up, but some warn the US could be over-reacting.

The most damaging tropical cyclones are three times more frequent now than they were 100 years ago.

A loss of snow and ice cover are the main reasons for the reduction of the Arctic's albedo effect, not soot as had been previously thought.

The rare hoiho becomes the first penguin to take the title, after two weeks of "memes and trash-talk".

Astronomers are observing a rare event, a transit of the planet Mercury.

Land speed record holder Andy Green finally gets to drive the Bloodhound car across the Kalahari.

A British Airways insider has revealed airlines deliberately fill planes with extra fuel to cut costs.

Cutting the speed of ships by 20% can benefit health, protect whales and limit warming, say campaigners.