BBC

Researchers collected samples from rivers in Suffolk and found the drug when testing for chemicals.

High Court judges rule in favour of the government's decision to approve airport expansion plans.

4 common concerns about electric cars explained.

A group of locals are the only thing preventing human-elephant conflict in a deforested area of Indonesian rainforest.

As Indonesian orangutans come into closer contact with humans, they are at increasing risk of capture.

Extinction Rebellion says the environment secretary refused declare a climate emergency.

The environment secretary agrees with some of Extinction Rebellion's demands, but says there are "open questions" about the timescale for action.

Part of the world's largest ice shelf is melting 10 times faster than the rest, shedding light on how it might respond to climate change.

Writer and explorer Robert MacFarlane explores the "underland" beneath our feet.

The government's plan to ban the sale of petrol and diesel cars by 2040 is too tame, its advisers will say.

A woman from Mongolia has won the Goldman Environmental Prize after a campaign to stop mining firms destroying a critical habitat for snow leopards.

Keeping soil in good condition is key to keeping carbon locked away, and it's possible cows can help.

There's three times more carbon in the soil than in the atmosphere - and deforestation is releasing it.

Natascha Engel says the government's approach to fracking has created a de facto ban on it.

Critical scientific assessment of humanity's impact on nature to be released after Paris negotiations.

The oceans contain almost 200,000 different viral populations, according to the latest count.

The London race aims to reduce waste with paper cups, fewer drinks and even edible seaweed energy capsules.

The different methods scientists use to measure cosmic expansion fundamentally disagree with each other.

The Hayabusa-2 spacecraft sends back images of the crater made when it detonated an explosive charge on the asteroid it is exploring.

Sir David Attenborough says the restoration of the wetlands is a "unique opportunity" for wildlife.