Compost heaps can be designed to suit gardens ... To erect your own bin, hammer into the ground four 10cm x 10cm (4in x 4in) posts to enclose an area about 1sq m (40sq in.) Then bash the soil ...
For outdoor worm composting bins, consider which model you'd like. In-ground allows worms to spread nutrients into the surrounding soil with no effort on your part but makes the operation immobile.
Brooke Roberts-Islam is a London-based writer covering sustainability. Composting might seem an unconventional choice, but the rationale is that it can be less greenhouse gas intensive than ...