Science can't have "heretics". Science is about theories and the attempts to break or validate those with data gathered from controlled experiments.
Heresy applies to religions. By using the word the way he does, he implicitly acknowledges that climate science is a faith-based rather than fact-based system. Which incidentally is a central point of criticism for many sceptics.
Heresy applies to religions. By using the word the way he does, he implicitly acknowledges that climate science is a faith-based rather than fact-based system. Which incidentally is a central point of criticism for many sceptics.