Sir David Attenborough will appear on the Pyramid Stage at around 2.45pm, the festival has announced.
Glastonbury Festival's official Twitter tweeted: “We’re incredibly pleased to announce that Sir David Attenborough will be making a special appearance on the Pyramid Stage at around 2.45pm today. Don’t miss it!”
The much loved presenter and activist is expected to speak about the threat of climate change - a major theme at this year’s festival.
The festival has banned single use plastics from the site since 2017.
Attenborough has been a high profile speaker on the risks of climate change and recently presented a BBC documentary on the problem. He also presented the Blue Planet 2 which galvanized public awareness of plastic pollution in the world's oceans.
The festival is partnered with the chaity Greenpeace, which receives a share of the event's profits.
