Data centers are so hot their ‘heat island’ effect is raising temperatures up to 6 miles away and impacting 343 million people worldwide, study finds

https://fortune.com/2026/04/01/ai-data-centers-heat-island-hyperscalers/

Data centers are so hot their ‘heat island’ effect is raising temperatures up to 6 miles away and impacting 343 million people worldwide, study finds

Researchers warn these “heat islands” could have a “remarkable influence on communities and regional welfare,” and affect more than 340 million people.

Fortune
@gerrymcgovern
If this is waste, can it be stored (Sand storage like in Finland) or heat batteries and used later?
I profess no technical knowledge, so may be obviously and idiotically wrong.
@SometimesLovely Very, very difficult to store it with any efficiency. And usually these data centers are a good distance from communities because their noise and air pollution is horrible.
@gerrymcgovern The critique of the method, as summarized by the author, is particularly stupid. Even if the heat island effect is rooted in the construction and existence of the data center (i.e. increased permeable surface and loss of green space) and not in the operations of the data center, the data center is still causing heat island effect
Data centers' heat exhaust is not raising the land temperature around where they're built

A terrible paper and even worse interpretation is threatening to become common wisdom

Andy Masley
@chris however bad the paper is, I don't really buy Mr Masley's dismissal. Urban heat Islands are real. Hell, even suburban neighborhoods with huge houses running their 24hr A/C make their local environment warmer - the heat moved from inside to outside HAS to change the outside temp. Data centers have to handle massive 24/7/365 cooling loads for servers. Adding acres of parking lots and buildings with flat, dark roofs.. That's all the sunlight which panels would convert to useful energy, turned into waste heat instead. Where TF does he think that goes?
@AnnieG yes I‘d just like to see a better study of the issue
@gerrymcgovern such efficiency, amazing
@gerrymcgovern can't argue with thermodynamics. heat has to go somewhere.
@gerrymcgovern Let's cook the US and grow the heat dome until they stop their wars and imperialism

@gerrymcgovern

If these buildings are going to be constructed:

Part of requirements for start up, should be to channel that heat to other buildings, or in areas that get snow or ice - to warm roadways.

#PublicGood