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  1. Video content

    Video caption: COP26: 'World is willing us to make an agreement' says Sharma

    COP26 president Alok Sharma addresses the summit in Glasgow calling for unity to reach an agreement.

  2. Video content

    Video caption: COP26: 'Glasgow is motoring towards a positive conclusion'

    The chief executive of the UK's Climate Change Committee has cautiously welcomed the latest draft agreement.

  3. Video content

    Video caption: Climate change: Activist documents 'surreal experience' at COP26

    Popp's 378-mile journey from Newport to Glasgow to fight for climate change.

  4. Why do negotiators debate so much over the language?

    Victoria Gill

    Science reporter, BBC News

    The negotiators at COP26 spend hours - sometimes days - going over what most of us might consider minor details. But the precise words that are used can, for example, make parts of the agreement open to interpretation.

    One paragraph of Friday's draft agreement released this morning - in Section IV on Mitigation - was the cause of much debate.

    20. Calls upon Parties to accelerate the development, deployment and dissemination of technologies, and the adoption of policies, to transition towards low-emission energy systems, including by rapidly scaling up clean power generation and accelerating the phase out of unabated coal power and of inefficient subsidies for fossil fuels.

    This is the first time "fossil fuels" and "coal" have been included in even a draft agreement – they weren’t mentioned in the Paris climate accord in 2015.

    If they can actually name the stuff of greenhouse gas emissions, the stuff of global warming, that is a massive step forward - but the language is critical.

    One energy policy expert I spoke to picked out that word "inefficient" and said that gives countries a "get out of jail free" card.

    You can say your subsidies are efficient and therefore mitigate that. That language is really critical and dials down the urgency somewhat.

  5. Video content

    Video caption: Can California save itself from the flames?

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