The following video is brought to you courtesy of the Sky News YouTube Channel. Click the video below to watch it now.
The US President aims to kick-start a crucial year of action on climate change as he hosts 40 world leaders at an Earth Day summit.
The US will commit to halving its greenhouse gas emissions by 2030, Joe Biden is set to announce.
China’s President Xi Jinping made a late announcement that he would attend after a jointly released US-China statement pledged increased co-operation in the fight against climate change.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews and https://twitter.com/skynewsbreak
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog
For more content go to http://news.sky.com and download our apps: