BBC

The world is approaching a critical turning point, Boris Johnson will warn the UN's General Assembly.

The WHO is slashing recommended maximum limits of key pollutants as evidence of danger mounts.

An immune therapy derived from llama blood shows 'exciting potential' in early coronavirus trials.

Taxpayers will foot a bill to open up a key carbon dioxide producer amid food supply and nuclear fears.

The announcement is the country's latest climate pledge and a major step forward to address emissions.

Cities like Sydney are already experiencing extremely hot days because of climate change.

All schools and colleges in Cornwall will be given litter pickers made from old hospital masks.

Insulate Britain protesters blocked traffic on both carriageways of the motorway in Surrey.

Joe Biden called for cooperation in his first speech as US president to the UN General Assembly.

Are rich countries living up to their climate promises to the developing world?

The food and drink industry is warning of supermarket shortages because of a lack of CO2.

The space agency will send a rover to look for water-ice near a crater at the Moon's South Pole.

A trip to a melting glacier will shape how the BBC's new climate editor reports on climate change.

Mark Hankinson denies encouraging others to break the law during private webinars which were leaked online.

The UK prime minister says he is "increasingly frustrated" at support offered to poorer countries.

Boris Johnson says he has a "six out of 10" chance of securing pledges before the COP26 conference.

Boris Johnson will also visit the White House for the first time since Joe Biden became US President.

The four amateur astronauts landed safely in the Atlantic Ocean after three days orbiting Earth.

Seaweed production has been affected by warming seas – this is how farmers are adapting.

UK activists have protested on the M25, but should they instead be picketing China's embassy?