Just saying, maybe you have one less beer this week and somebody else somewhere in the world gets water if you put the money there instead. Small changes are what change the world. Never doubt your role.
http://thrivenowforyourfuture.com/ I love this. Look how they use nature as a canvas with the negative shapes in the subject matter. Very creative. You have to look at the billboards. I would of added a bit more direct response to it, but it is beautiful branding.