Since most of the energy is needed for cooling it makes the most sense to build your data center in a cold place. Like Alaska or even Antarctic. You merely pump cold ocean water into the heat exchangers. All that warm water created would be a draw for all sorts of life.
“All that warm water created would be a draw for all sorts of life.”
Good luck getting an environmental permit for that. IIRC, at some facilities where they draw in contaminated river water they not only have to cool the water down before it is released back into the river (which makes sense for rivers) they also have to remove the contaminants from the water they used before they return it to the river!