Solar Powered Compost Drum System : 9 Steps (with Pictures) - Instructables

A DIY Underwater Housing for Arduino Data Loggers made from PVC pipe

Compost Tumbler : 5 Steps - Instructables

Build Your Own Biogas Plant For Organic Wastes

How To Make A Wind Powered Composter - The Green Optimistic

Vermiponic Garden: Food Living Outside Play Technology Workshop, PDF, Vegetables

Growing Local Fertility: A Guide to Community Composting by Highfields Center for Composting - Issuu

13 Homemade Compost Tumblers For Your DIY Composting Project

23 DIY Compost Tumblers To Make Composting More Fast & Easy – The Self-Sufficient Living

DIY Compost Screeners — Baltimore Community Compost Sites Build Their Own – Institute for Local Self-Reliance