The environment will only benefit from leadership, if the leader is able to convince his constituents of the benefits of protecting the environment. That is considered conscience clearing. Dissemination of information is not effective when the information is static form. Times have changed. Audiences demand the use of interactive ways of communication, and require information being presented in an entertaining manner.
Audiences nowadays are in the drivers' seat.
The fuel content will determine the speed of response. Powering a change of behavior requires the appropriate additives to the fuel content. Effective communication is not about what is said, written or shown. It is about how it is done. It is about how appealing the communication is.