The Prince of Wales will deliver the opening address at the Cop26 UN climate change summit.
Charles who delivered the opening speech at Cop21 in Paris in 2015, will speak to delegates gathered in Glasgow for the opening ceremony on Monday hosted by Prime Minister Boris Johnson.
During the day, a series of royal events in support of Cop26 will be staged.
Charles, the Duchess of Cornwall and the Duke and Duchess of Cambridge will join an evening reception.
Charles will also co-host the Great Green Wall session, alongside French President Emmanuel Macron and his Mauritanian counterpart Mohamed Ould Abdel Aziz.
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