Is ditching oil the only way to save the planet? Not entirely, the science says, as long as the world hits carbon-neutral by 2050. The CBC's Johanna Wagstaffe breaks down what "net-zero" actually looks like and whether a sustainable future can function with oil still in the mix. »»» 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