Recently, my friend Paul Zedler raised a question between insidious and philosophical: our scientific procedure based on searching for processes and establishing causal relationships, has no significance unless it translates into actions. I had no other option than accept the premise, otherwise I would get exposed at the top of the infamous ivory tower.
We need to understand how things work, to know how to assemble and how to disassemble them. But we have reached a point of so much specialization and mechanization that too much often we can not understand how everything works, and even more, if we will be able to fix what we have broken.
A study carried out by researchers from CREAF and the UAB shows that restoring degraded land with sewage sludge aids carbon sequestration in the soil. These organic wastes improve soil structure and the growth of plants, and these are eventually incorporated into the soil as soil carbon.