COP29: Does Trump's return make climate change summit pointless?

Delegations from around the world are meeting in Baku, Azerbaijan, to discuss saving the planet from climate change. But several major world leaders have swerved the summit and Donald Trump plans to abandon a key climate agreement when he returns. So is there any point in all this? Lewis Denison reports. • Subscribe to ITV News on YouTube: http://bit.ly/2lOHmNj • Get breaking news and more stories at http://www.itv.com/news Follow ITV News on Facebook: https://www.facebook.com/itvnews/ Follow ITV News on Twitter: https://twitter.com/itvnews Follow ITV News on Instagram: https://www.instagram.com/itvnews/