Apart from using solar energy. MLK Library is using cooling equipment that doesn't release dangerous toxins (CFCs, HCFCs, and halogens) which deplete the ozone layer.
The Energy Star rating given by U.S. Green Building Council is 79/100.
MLK Library is promoting green energy power in the most efficient as well as economical way.
By optimizing power usage while also making sure that the performance metrics of equipment do not drop, the library has less operational and maintenance costs.