London's Hot Summer: Try Beijing for a Cooler Commute

Climate Change Impact - UK farmers are experiencing extremely hot summers, potentially the hottest on record, mirroring a global trend of rising temperatures and prolonged heat waves [1] - Older subway systems, particularly those built a century ago, struggle to adapt to increasing heat due to outdated infrastructure [2][4][5] Infrastructure Challenges - Adding air conditioning to old, deep, and narrow subway tunnels, like those in London and Paris, is proving difficult [5] - Subway systems themselves contribute to tunnel heat, notably from braking trains [6] Adaptation Strategies - Cities are adopting different approaches to manage heat, with some, like Tokyo and Beijing, using air-conditioned subway carriages and platforms [3] - Beijing features colder subway carriages for business professionals in formal attire [4]