http://www.instructables.com/living/green/

http://www.instructables.com/living/green/

http://www.instructables.com/id/Bio-fuel-briquettes-compress-paper-pulp-and-sawdu/

http://www.instructables.com/id/How-to-collect-balcony-rain-water-for-free/

http://www.instructables.com/id/5-Things-to-Do-with-An-Old-Shirt/