Colorado professors ban climate skeptics.
“The point of departure for this course is based on the scientific premise that human induced climate change is valid and occurring. We will not, at any time, debate the science of climate change… Opening up a debate that 98% of climate scientists unequivocally agree to be a non-debate would detract from the central concerns of environment and health addressed in this course. If you believe this premise to be an issue for you, we respectfully ask that you do not take this course…”