Remember, there are very powerful forces at work out there to make environmental activists look like loonies and eccentrics in order to discredit them. It doesn't surprise me that the mainstream look down on them having been appeased into non-action by propaganda. If you go to such an event you'll probably be impressed and forever changed by how well educated and informed the activists are, and by how the media have falsely portrayed them.
Really good point.
There's an irony here. The people who seem to be very proud of their critical thinking, and not being brainwashed, are also quite happy to pile on to a study that shows that "the majority agree with them".