Record-breaking temperatures in the last few years shatter the myth that air conditioning alone will keep people safe
Honestly for more of these industrial server and cloud computing centers they should be buried to take advantage of cooler temperatures and save money on ac.
Insulation keeps the heat from outside from coming inside, but it’s not much help when you’re generating the heat inside yourself
Microsoft experimented with putting a datacenter underwater and saw some encouraging results.
https://news.microsoft.com/source/features/sustainability/project-natick-underwater-datacenter/