Last week The New York Times had an editorial singing the praises of energy efficiency. It wasn’t bad, nor particularly great — mixing up conservation with efficiency, focusing too much on oil/transportation, and never giving a decent sense of scale.

On Sunday, however, came a battery of letters in response to the editorial, all of which are excellent and all of which expand the focus in new ways. One of them is from Tom Casten, father of our own Sean and champion of recycled energy. Another emphasizes steady long-term research; several praise solar power’s potential; another notes the key role of walkable communities and transit; another mentions meat consumption.

There’s a lot of untapped, unaggregated expertise out there on this. I hope the NYT notices the great feedback and pursues the issue further. Imagine how much efficiency we could wring out of our economy if we had the whole culture focused on it.