Ocean Science Fact: At a depth of 500 m, the water temperature is down to ~5° Celsius

Did you know that we can cool buildings with deep sea water?

The sun is heating the ocean at the surface but the deeper you go, the colder the water gets. Cold deep water can be used in the tropics for air conditioning. This is currently in operation in French Polynesia for the main hospital’s AC system. (Source: Copernicus MyOcean Viewer)