Greener is a search engine that does exactly what is mentioned in the title. You enter a search phrase and Greener returns environmentally conscious products, services, organizations, and information. Greener has indexed over 1.4 million sites and over 6.5 million links — chances are the results will be pretty useful. If you’ve used Greener in the past, please share your experiences with us in the comments. What’d you like? What’d you dislike?