BBC

As the serious business of negotiation finally begins in Glasgow, we look at the key barriers to progress.

The agreement between the world's richest economies makes no reference to cutting emissions by 2050.

Scientists from the WMO say global warming is leading the world into "uncharted territory".

COP26 begins in Glasgow, amid dire warnings for the future if urgent climate action is not taken.

JCB will take 10% of the green hydrogen made by Australian mining company Fortescue Future Industries.

Past COPs our science editor went to didn't stop climate change - will this one be any different?

The BBC has spoken to people around the world about how extreme heat is changing their lives.

The Terminator actor also says reducing meat intake does not have to mean sacrificing something.

The top CO2-producing nations all have plans to tackle global warming - but what progress are they making?

Recriminations have followed the July floods and the alleged failure to alert residents.

The Queen cancelling her appearance and a climate pledge delayed - what do they mean for COP26?

A sample of the Native American leader's hair confirms the identity of his great-grandson.

Human activity and wildfires have turned highly protected forests into net sources of carbon, a study suggests.

Ahead of COP26, a BBC World Service poll finds growing support for strong political leadership.

From planes and trains to insulation - this is how green the Budget looked ahead of COP26 starting on Sunday.

As a major global climate summit approaches, is the Indian government on track to meet its own commitments?

A new chapter in physics is here, says a team that hunted for a key building block of the Universe.

The chancellor boosts science spending to £20bn a year by 2024 - £2bn less than previously pledged.

The activists say they will stay at London's Science Museum for "victims" of fossil fuel sponsors.

The Middle East is warming faster than much of the world, leaving Kuwaitis struggling with everyday life.