After record-hot summer, London plans to trial air con on ‘deep Tube’ trains

As climate change brings longer, hotter summers, Transport for London and Network Rail are racing to modernise the city’s 19th-century transport system
People depart a tube carriage at Westminster underground station during a heatwave, in London, Britain, August 12, 2025. REUTERS/Jack Taylor

Join us to keep reading

Our goal is simple: to help you make sense of the policy decisions shaping the planet and what they mean for all of us.

Join us free today →

It takes less than a minute.


Or login below to unlock access if you already have an account.

Benefit from more essential insight

Our unprecedented reporting provides experts and professionals globally with the analysis and insight they need to navigate the most important climate issues.

Trusted by the UN, World Bank, and governments around the world, sign up today and see why our award-winning coverage has been considered the authority for almost 15 years.

Essential

£0

A few top stories each week alongside our Climate Weekly newsletter.

Premium

£40

per quarter

Unlimited access to our expert coverage alongside our Climate Weekly newsletter. You can upgrade to an annual subscription at any time.