Sadly, this is a politically corrupted topic, not because there is significant scientific argument over whether it is occurring, but rather whether those with special interests in avoiding the discussion attempt to divert attention by loudly denying it or by ridiculing the ideas.
The idea of man-made climate change must necessarily have repercussions because reasonable people will assume that if we caused it, we can stop it. Since our existing activities are a major contributor to the environmental conditions that will cause climate change, we are going to have to modify our behavior. People resist change, and will rationalize away their contributions until the truth slams them in the face.
Some of the more dramatic descriptions of flooding, doom, and extinction do not help the goal of awareness, because it sounds like "Wolf" with no sign of fangs.