90% Here, 90% There…

…pretty soon you’re talking about real energy savings. It’s Earth Day 2010, and also my first Digital Lumens blog post.  ...

One Block at a Time: A Great Approach

American Express has recently produced a powerful ad, “Take Charge: Changing A Community One Block at a Time,” which features ...

A Radical Approach to Energy Efficiency

‘Radical efficiency’ is a clever and provocative concept.  Introduced to me recently by a leading authority on corporate sustainability initiatives, ...

Boss Needs Info: LEDs and Labels

I recently stopped by the hardware store to buy a few light bulbs and found myself standing in the shoes ...