BBC

Over decades, correspondent David Shukman has seen climate change become our most important issue.

An annual migration of red crabs has covered roads and bridges on an Australian island.

The company unveils an advanced "quantum" processor that's part of an effort to build super-fast computers.

Scientists applaud some COP26 policies but fear measures don't go far enough and won’t be delivered.

The claims that went viral in the lead-up to the COP climate summit – and what you need to know about them.

Russia has destroyed one of its own satellites in orbit, prompting international condemnation.

The US earlier said Russia "recklessly" destroyed a satellite, endangering astronauts in space.

The state department says Russia "recklessly" destroyed a satellite, endangering astronauts in space.

But Boris Johnson says the achievements of the Glasgow summit are "tinged with disappointment".

COP26 President Alok Sharma speaks after an agreement to "phase down" coal rather than "phase out".

New global climate deal agreed at COP26 in Glasgow after last-minute wrangling over agreement on cutting coal

Unprecedented drought and heat, combined with bad land management, have culminated in historic wildfires.

Divisions remain over continuing subsidies for fossil fuels and financial help to poorer nations.

The changes made at COP26 in Glasgow could have implications for the way we live.

It softens commitments on fossil fuels but requires governments to take action urgently.

Five things you need to know about COP26 - the United Nations climate change conference - on Friday.

Hull has been at COP26 to share its innovative approach to tackling flood threats with the world.

A report has suggested the carbon footprint of the Glasgow summit is more than double that of COP25.

What are the practical things countries need to do in order to tackle climate change?

The future climate could be determined by the level of emissions in the coming years.