BBC

A new tiny computer injected into the body could help millions of people suffering from heart failure.

Evidence suggests improving housing is one of the most cost-effective ways to cut carbon emissions.

New weather data analysis says climate change has led to major increases in summer temperatures.

Scientists say pollution on the highest mountain in England and Wales must prompt action.

Nasa says major decreases in nitrogen dioxide levels are "at least partly" linked to the outbreak.

ChopValue collects 350,000 used bamboo chopsticks from Vancouver restaurants every week.

The 2018 volcanic eruption put so much ice into the sky it set off a huge display of lightning.

The teenage activist was welcomed by some 15,000 people at the event in Bristol.

Environmental campaigner Greta Thunberg rallies protesters in Bristol ahead of a march through the city.

The blast in the Ophiuchus galaxy cluster left a cavity 15 times bigger than our Milky Way galaxy.

Environmentalists could try to block new road plans if they fail to take climate targets into account.

It's a leap year which means there's an extra day in the calendar - 29 February 2020. But why do we need it?

The UK will endeavour to continue in an EU science programme after Brexit.

Campaigners say plans for a third runway should be cancelled, but the airport says it will appeal.

The hungry ducks could be sent to devour locusts that are devouring crops in Pakistan, experts say.

Investors are facing scrutiny like never before about what they're doing to tackle climate change.

A gallery of landscapes of UK chemical and biological weapon sites by photographer Dara McGrath.

Thousands of Indonesian coral farms had to close after an export ban, but a policy U-turn offers hope.

A ruling will decide whether Heathrow's expansion plan should have taken the climate more into account.

The discovery comes from new research that could boost conservation plans.