Why MP Steven Guilbeault didn't quit cabinet earlier

Steven Guilbeault quit cabinet last week after Prime Minister Mark Carney signed a deal with Alberta over a potential pipeline project to the B.C. coast. Laura Lynch, host of What On Earth, asked the former environment minister why this was his last straw. Listen to the full What On Earth interview here: https://www.cbc.ca/listen/live-radio/1-429-what-on-earth/clip/16186059-the-last-straw-tequila-shot-ex-climate-minister »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News on Snapchat: https://bit.ly/3leaWsr Download the CBC News app for iOS: http://apple.co/25mpsUz Download the CBC News app for Android: http://bit.ly/1XxuozZ »»»»»»»»»»»»»»»»»» For more than 80 years, CBC News has been the source Canadians turn to, to keep them informed about their communities, their country and their world. Through regional and national programming on multiple platforms, including CBC Television, CBC News Network, CBC Radio, CBCNews.ca, mobile and on-demand, CBC News and its internationally recognized team of award-winning journalists deliver the breaking stories, the issues, the analyses and the personalities that matter to Canadians.