Leonardo DiCaprio was mobbed by fans as he made his way into a UN Summit in Glasgow SEC for COP26.
The Hollywood actor was pictured at the conference surrounded by an entourage and wearing a blue suit featuring a colourful lapel pin.
The 46-year-old actor and environmental activist has worked on a number of documentaries about animal poaching and the environment, and was appointed a United Nations representative on climate change in 2014.
Kew Science, the research arm of Royal Botanic Gardens in Kew, said he had visited its Carbon Garden space, where scientists will be highlighting the role plants can play in providing solutions to climate change across Cop26.
The Wolf of Wall Street actor was meeting with the President of Costa Rica, Carlos Alvarado Quesada, at the Kew pavilion.
The actor was a key campaigner in the fight to save the Ebo Forrest in Cameroon from mining which Kew was also a part of.
A spokeswoman said the actor "seemed to enjoy seeing the wonderful display of plants and messages about nature-based solutions to climate change that the Kew's display has on show".
There was no indication before today that DiCaprio would be joining the Summit in Glasgow, until photos emerged of the star at an event in Maryhill last night.
DiCaprio, who describes himself as an actor and environmentalist on Instagram, updated his biograph ahead of the event to include the hashtag COP26 and a link to the United Nations website page on climate change.
As well as winning Oscars for his roles, he uses his star power to showcase the causes he is passionate about like in 2016, he was an executive producer on The Ivory Game, which examined the ivory trade.
Oscar-winning director Fisher Stevens also filmed DiCaprio as he travelled around the world to see the effects of global warming for the 2016 feature Before The Flood.
