Tim Blair's post, "Cease All Movement, captures a big issue in the global warming kerfuffle: "environmentalists" say that scientists are all in agreement that global warming is real, and is due to human industrial activity.

However, lack of debate and continuing research isn't scientific. Scientists haven't given in to demands that they stop research--even under penalty of death. Otherwise, the example made of Giordano Bruno would have "settled" the question of whether the earth was the center of the universe.

More on the chilling effects of scientific censorship here.

H/T: Instapundit.