World leaders who have arrived so far include Prime Minister Boris Johnson, Zimbabwe's President Emmerson Mnangagwa and Togo's President Faure Gnassingbe.
Scotland’s First Minister Nicola Sturgeon admitted on Monday morning that she doesn’t know if COP26 will be a success but has said she will do everything she can to ensure it is.
![President Joe Biden arrives at Edinburgh Airport to attend the COP26 UN Climate Summit.](https://www.thestar.co.uk/webimg/b25lY21zOjhhNzkwODhlLWYzOGItNGNiNS05MTEyLTNiZjYxNjRiZTJlMToxODZhMjU1YS1kMjI1LTRhMmItOGFkNC00ZmYzYWY4N2M3NDU=.jpg?crop=3:2&width=640)
1. Joe Biden
President Joe Biden arrives at Edinburgh Airport to attend the COP26 UN Climate Summit. Photo: Evan Vucci
![UK Prime Minister Boris Johnson.](https://www.thestar.co.uk/webimg/b25lY21zOjg3NDMxZTFmLTE3YTUtNGI1NS1iMTNkLTgwYjhjOGUzOTJlMTozNzk5MmY4ZS1jNGQ3LTRiODItYmMxMC0wNDQxMGZmNTY2MDE=.jpg?crop=3:2&width=640)
![Palestinian Prime Minister Mohammad Shtayyeh.](https://www.thestar.co.uk/webimg/b25lY21zOjQ1MjRkNjQ1LTc0YjEtNDIwNi05OGQ2LTA2N2Q3ODEzNzg1Yjo0MWMzMjI3YS05ZmRkLTQ3ZGItYjZhMC0xNTczZTY5YWEzYjY=.jpg?crop=3:2&width=640)
![Germany's acting Chancellor Angela Merkel.](https://www.thestar.co.uk/webimg/b25lY21zOjFiYzNmNjhmLTJmOTEtNDJmMi05YmUxLWI1ODcxNTBmNTdkMTplYzcyNWZiMC1iN2FjLTQyNmMtOWM3My03ODNhZGRlM2I4NTI=.jpg?crop=3:2&width=640)
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