There is no wrong way to build a first biogas digester, so long as it results in the unforgettable experience of seeing the miraculous blue flame of biogas for the first time. Soon afterwards, however ...

Composting is an awesome way to get rid of fruit and veggie scraps and gain rich garden soil. Yet there’s still many food scraps that can’t be composted, like meat and bones. Compostec’s Green Cone ...