Cities like Mumbai will be regularly submerged by 2050. At around the same time, most of Himalayan glaciers will vanish. The world could heat up by 4 degrees Celsius by 2100. We are facing a crisis. Hosted by Bibek Bhattacharya (Twitter: @sarvatathagata), Deputy Editor, Mint Lounge, Mint Climate Change Tracker is a weekly podcast about the challenges posed by a rapidly heating planet. Also follow Bibek's weekly column in Mint Lounge, the Climate Change Tracker, with #MintClimateTracker. Visit https://www.livemint.com/podcasts/nature/mint-climate-change-tracker-5005017 to listen to more episodes. This is a livemint production brought to you by HT Smartcast.