I think if we can focus more on providing education as to "why" these issues need to be looked at will help all efforts to scale.
If we start requesting people to bring their own reusable bottles of water if they need water this will save money and the environment. Just for convenience bottled water is being served at every events and meetings. I am organizing an event Earthday@Loudoun Family Festival and we decided not to provide it. We'll have water to fill up reusable bottles and bottles to give away if people need it.