There’s great hue and cry in the blogosphere lately over "net neutrality." I won’t attempt to summarize it here, as it’s fairly complex. The best way to understand it is for you (and your friends) to watch this short video.
It’s not strictly an environmental issue, but in the sense it that it could degrade your access to information, it is a threat to any progressive cause. Don’t let the telecom bastards get away with it.