Apple is building a new data center in Denmark, and it has some interesting ideas on how to power the data center with renewable energy, while also giving back to the community.
Excess heat generated by the data center will be captured and returned to the local district's heating system, which will warm up homes in the community.
The data center in the Jutland region will be partly powered by recycling waste products from farms. Apple is working with Aarhus University on a system that passes agricultural waste through a digester to generate methane, which is then used to power the data center.
The digester reaction turns some of the waste into nutrient-rich fertilizer, which Apple returns to local farmers to use on their fields. It's a "mutually beneficial relationship," Apple said in its environment report for 2016, released this week.