Humus is the most precious resource on earth. Our survival depends on it, and it is running out. Dramatic losses of fertile soils are caused mostly by human activities. But humans can also help regenerate humus. 'HUMUS, the black gold of the earth' is an invitation to become EarthKeepers. If we want to take care of Mother Earth, then we must get to know her better. What makes her come alive? What kind of food does the soil need? In what environment can the soil-population grow and thrive? These are some of the questions explored in this book. Everybody can do something to take care of our soils and keep the earth