Globally, the area that is suffering desertification and land degradation is ever expanding. Unsustainable and often large-scale agricultural practices, including the copious use of pesticides and fertilizers, are a major driver of land degradation, aprocess that is further exacerbated by climate change, causing more erratic rainfall patterns, longer periods of drought and unpredictable growing seasons. This is very problematic not only for the hundreds of millions of people who directly depend on land and water for their livelihoods, but also for life on earth as a whole. It is clear that this process must be stopped and reversed, better sooner than later. But how to go about it?