BBC News

Dried sewage from Europe's largest treatment works in east London is being turned into house bricks.

Aviation contributes to climate change, but there are ways to reduce your flight's impact on the planet.

Eight countries propose the strategy - but nations such as Germany oppose strengthening commitments.

The Whipple Museum contains 10,000 scientific instruments with many dating from the 17th Century.

Organisers of more than 60 festivals say calling them 'festival tents' just encourages people to leave them behind.

British scientists undertake a new aerial survey of one of the most radioactive locations on Earth.

In February Dave Mackay guided Virgin Galactic's space craft to almost 56 miles (90km) above earth.

There is no joint declaration by Arctic nations as the US criticises climate change wording.

A 92-million-year-old dinosaur provides evolutionary insights on the evolution of the tyrannosaurs.

Studying fireflies helped scientists increase light extraction in LEDs by more than 50%

There had been fears the plant could go extinct, after a Spanish variety escaped into the wild.

The environment secretary said wildlife charities had advised him to "be cautious".

Scientists are aiming to revive traditional varieties of oat which could stand up better to disease.

About 10,000 dummies and body parts are piled up at the creepy recycling centre.

The tree disease will cost taxpayers a third more than the foot-and-mouth outbreak in cattle in 2001.

The UN's global assessment of nature has some hard hitting lessons for the world.

A compelling UN assessment shows the full picture of humanity's devastating impact on biodiversity and nature.

Hundreds of thousands of different species of animals and plants are thought to be facing extinction.

The world's most comprehensive - and damning - report on the state of nature is to be published in Paris.

Water, air pollution and deforestation are pushing the natural world to the brink.

Recycling has become so expensive that some cities have suspended their programmes.

Nasa sends an instrument to the International Space Station to track carbon dioxide on Earth.

Lucy the blue tit is being live-streamed on YouTube after her bird box was connected to the web.

Deforestation caused by palm oil cultivation is pushing orangutans closer to farmers who see them as pests.

Scientists in the Antarctic are monitoring seal poo to keep track of what's happening in the environment.

The climate change group deletes advice saying "most prison officers are black and wish you no harm".

Warnings about the future of the country's wildlife has led young locals to learn new skills to farm sustainably.

This quiet, teen revolution could pave the way to Madagascar's sustainable future.

How kites and drones could generate electricity to supplement conventional wind turbines.

The LIGO-VIRGO instruments tasked with detecting gravitational waves triggered five times in April.

It could be done at no added cost from previous estimates, and reduce GDP by just 1-2%, a report says.

The Welsh and Scottish governments have also declared an emergency - along with dozens of towns and cities.

Scientists find evidence an ancient human species called a Denisovan lived at high altitudes in Tibet.

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

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

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

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