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Callum Isted wants all primary children in Scotland to have a reusable bottle which they can refill at school.

The announcement comes as activist Greta Thunberg joins a climate protest by young people in Glasgow.

The carbon footprint of the wealthiest will grow but that of the poorest will stay small, a study says.

Ever paused over the recycling bin, wondering whether to add a pizza box? You could be a wishcycler.

Countries pledge to shift away from coal and end fossil fuel financing, but key players are missing.

Researchers tracked thousands of posts denying climate change - and only 8% were marked as misinformation.

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

On the Greek island of Evia last summer an intense conflagration took almost two weeks to control.

Global carbon emissions are set to get back close to the levels they were at before Covid.

The BBC’s Roger Harrabin takes a look at the tech behind hydrogen energy and its green potential.

Almost every day for 40 years, expert diver Jim Abernethy has been swimming with sharks in the Bahamas.

If emissions continue rising, Europe can expect 50C heatwaves every three years, the Met Office says.

Conservationists say the move will protect migration routes for many endangered species.

World leaders' use of private jets to attend the climate summit has been called into question.

Companies must outline how they aim to meet the UK's 2050 net-zero target, under government plans.

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

Dubbed the Sphinx, the snow on a remote Scottish mountain has in the past survived for decades at a time.

The North Sea still contains large quantities of oil and gas but how much longer can it continue to be extracted?

More than 100 nations - including Brazil, Russia and Indonesia - sign COP26's first major deal.

Countries that will sign the pledge cover more than 70% of the world's economy.

The Biden administration plans to restore tough rules curbing one of the most potent greenhouse gases.

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

Who are the people who will determine the success or failure of the climate summit?

The BBC’s Science Editor David Shukman takes a look inside the UN’s climate conference in Glasgow.

It is the "time for action", the monarch says in a video address at the COP26 climate summit.

The climate activist has questioned the UK's figure on its carbon emissions reduction.

As world leaders arrive at COP26 in Glasgow, Prime Minister Boris Johnson says action is needed.

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

The Prince of Wales will address the opening ceremony of the COP26 climate summit in Glasgow.

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

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

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 stayed at London's Science Museum for the "victims" of fossil fuel sponsors.

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

Current carbon-cutting plans from nations would lead the world to climate catastrophe, says the UN.