waste equals food
Many of you have probably heard of the concept â waste equals food .â William McDonough, architect, designer and author of the esteemed book Cradle to Cradle, developed the idea.lants need two types of nutrients for healthy growth; mineral and non-mineral. Non-mineral nutrients are Oxygen(O), Hydrogen(H), and Carbon (C). CO2 and H20 are changed into the plants food during photosynthesis.