Energie-Info.fr - Information et comparateur indépendant pour les consommateurs d’électricité et de gaz naturel. Carbon neutral blog. Just write a short blog post about our programme “My blog is carbon neutral” and include one of the buttons below on your site (ideally in the sidebar). Send the link to your blog to CO2-neutral@kaufda.de and we plant a tree for you, neutralising the carbon dioxide emissions of your blog. The trees will be planted planted from spring of 2010 through late summer of 2010 by the Arbor Day Foundation. Blackle - Energy Saving Search.