The Straits Times Guterres calls on leaders to make good on promises to cut carbon pollution at global summit In his video message to the Climate Ambition Summit, which opened online yesterday to mark five years since the Paris climate deal, Prime Minister Lee Hsien Loong said climate change is an existential threat to all, especially a small island state like Singapore, and that this global challenge requires a global response.PHOTO: MINISTRY OF COMMUNICATIONS AND INFORMATION https://str.sg/JaMU They can read the article in full after signing up for a free account. Share link: Or share via: