In some Asian countries, processing of activated carbon requires planting trees for raw material source. So, it is no different from using wood chips for heating up boilers. The article talks about costs, sales and revenues and not much about details on operational requirements. You know, financial meetings don’t usually talk about issues not related to environmental ethics or other social issues. But you can glean into the real color, as they put it, behind the overall picture of the company’s impact on the environment.