Energy efficient buildings

https://www.abc.net.au/environment/articles/2011/11/30/3379294.htm

An interesting (if long) article on greening buildings for those interested in making big buildings more energy efficient. The last couple of paragraphs provide a relevant perspective from a residential building superintendent:

“… the US Department of Energy graduated its first class of “Green Supers” this year.

“I was under the impression that these techniques were very expensive,” Victor Nazario, superintendent of a residential building on Manhattan's Upper East Side, said during his address to his fellow classmates at graduation, each of whom spent 40 hours studying energy efficiency, air flow leak detection, and other green building operations. “It's just time, it's just dedication, and just applying it.”