Professional life: Being constantly around food as a dietitian I will produce a good amount of waste. Making homemade compost can help vegetables grow in a healthy environment while supporting sustainable farming.
Hobby Farming - Sustainable Home Food Production From Small Scale to Large
Danish company HUMAN HABITAT has developed a hydroponic garden system that requires just 538 square feet of space to grow fresh food. It is called IMPACT FARM and could be the beginning of a commercial farming revolution.
Raising rainbow trout commercially is a profitable alternative to conventional agriculture that can be practiced with very little land, provided that water conditions in the facility and the care and feeding of the trout are properly maintained.
A Guide to Growing, Harvesting and Baling Hay - Sustainable Farming