Can This Building Save The London Underground From Overheating?

Over the last 100 years, the tunnels for the London Underground have been getting hotter and hotter each year, seemingly overheating as we have no way to cool them down. A few years ago, the Bunhill 2 building started operating, a world-first piece of infrastructure that not only pulls some of the heat out of the tunnels but uses it to heat homes, schools, and leisure centres. It’s groundbreaking, but can it be expanded to other sites, and what else is London doing to try to solve the problem with overheating in the Underground? 00:00 - Bunhill 2 - The First of Its Kind 01:26 - London Underground Gets Hotter Every Year 03:06 - Can They Install Air Conditioning On Deep Tube Lines? 04:10 - The Elizabeth Line's Solutions 05:28 - New & Improved Piccadilly Line 06:19 - Other Solutions To The Overheating Tube 08:01 - Summary