BBC

Chris Whitty and Sir Patrick Vallance were alarmed by questions over the controversial concept, emails show.

A recent study warns that without intervention many of the continent's ancient sites could be lost.

China's surprise announcement of a long-term goal to curb emissions boosts UN climate talks.

The US space agency (Nasa) formally outlines its $28bn plan to return astronauts to the Moon by 2024.

One in five species of maple are threatened in their natural habitats, an extinction study says.

A "green" fund to protect wildlife on England’s farms may be under threat, BBC News has learned.

UK farmers are complaining of a lack of clarity over how they will be rewarded for tending the land.

The aerospace giant said its hydrogen-fuelled passenger planes could be in service by 2035.

Only in 2012 have satellites seen the summer floes in the polar north more withdrawn than in 2020.

Toxins made by algae in water holes caused 330 elephant deaths in Botswana earlier this year.

A Canadian company debuts a powerful new capability to monitor the potent greenhouse gas.

Concern about climate change is growing, but there are big differences about the need for rapid action.

Covid-19 provides an opportunity to "reset" the economy for a more sustainable future, he says.

The 27 wooden coffins are said to have lain undisturbed inside a well at an ancient necropolis.

Energy companies stand accused of trying to downplay their contribution to global warming.

Scientists are warning about the consequences of vast swathes of ground thawing in Siberia.

A visual guide to the wildfires ravaging California, Oregon and other western states.

A professor has won £2.3m for applying complex maths to simple situations - like stirring tea.

Pollutants still blight all of England's rivers, lakes and streams, the Environment Agency says.

A team of scientists say this explains why those stung feel intense pain lasting for days or even weeks.