it also seemed to be a great idea to use outside cool water for "free" cooling of nuclear power plants. Happens to be not such a good idea after many years of

it also seemed to be a great idea to use outside cool water for "free" cooling of nuclear power plants. Happens to be not such a good idea after many years of that [ab]use. While on the global scale the datacenters itself don't have the impact yet, it will definitely affect the water ecosystem local to the datacenter. There is no free lunch. Though Googlers may be under impression that there is.