BBC

Scientists call for more research into the last time when atmospheric carbon dioxide levels were the same as today.

Christiana Figueres, who helped secure the Paris Climate Change Agreement, gives her suggestions.

New CO2 removal technology gains significant investment from fossil fuel companies, but greens have doubts.

A British Columbia-based company has shown that it can extract CO2 from the air in a cost-effective way.

The extremely rare Chinese giant salamander was rescued after an attempt to smuggle it into the UK.

A government department had been using cats to research parasites that can cause kill humans.

Wildlife experts want more controls on nets over hedges and trees, amid growing public concern.

A new space-based system to monitor aircraft worldwide is live and being trialled over the Atlantic.

The federal government report warns Canada's Arctic is most affected by the changing climate.

A European spacecraft has confirmed a report of methane being released from the surface of Mars.

Some make-up companies are reporting record sales of products which claim to protect skin from toxic air.

It is the first time a company not running a coal-fired power plant has come near the top of the ranking.

Two British companies are to push forward with the development of an ultra-low-cost radar satellite.

Boston Tea Party's owner said global coffee shop brands were "putting profits before the planet".

The head of the US space agency said last week's anti-satellite weapon test was a "terrible thing".

The countdown begins to the launch of one of the world's boldest attempts to tackle air pollution.

Visitors to a glacier in Iceland scrambled to safety as a section broke, off creating a large wave.

People watching Blue Planet Live on Sunday were left in shock after a seagull snatched a baby turtle as it was released on the beach.

Romeo, known as the world's loneliest frog, had spent 10 years living in isolation at an aquarium.

Scientists found the song Scary Monsters And Nice Sprites led to mosquitoes attacking hosts less often.