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.

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

The teenage activist was welcomed by some 20,000 people at the event in Bristol.

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?

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

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

The hungry ducks could be sent to eat the insects 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.

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

A shepherding spacecraft grabs an ageing telecoms satellite to help extend its mission life.

Sir Richard Branson's firm says it is releasing more tickets for flights into space.

The winners of the Underwater Photographer of the Year competition 2020.

A native predator of the red squirrel seems to be an unlikely ally in its battle with its grey rival.

A campaign is underway in Paris to ban heaters due to concerns about their electricity use.

The price of tomatoes have skyrocketed in East Africa in recent weeks after floods ruined crops.

The head of the Environment Agency says new buildings should be made more resilient to flooding.

From animals to humans, how did the deadly coronavirus make the leap? We look at the scientific evidence.

3D printing is meeting some of the ambitions touted when the technology emerged 20 years ago.