Futuro Forestal, a Germano-Panamian company is seeking to prove wood can be grown for profit while preserving, even restoring, the natural environment. Under its CO2OL Invest scheme, the company plants six types of trees, all but one - teak - indigenous, usually on cheap land that has been exhausted by cattle grazing. But they also leave scrub and bush in place to encourage the natural biodiversity of the forest. Fertiliser is made on on-site from chicken dung and rice husks, providing extra income for the local rice mill.