Delving into green search engines

We’ve mentioned green search engines quite a number of times–Blackle, Ecocho–and we love how the simple act of using a different search engine could make a difference in the environment. Other search engines offset their CO2 emissions and Blackle in particular swapped the usual white background to black, saying that white uses more energy. But can they really give the planet a greener boost? This article shows both sides of the argument.