"Zimmerman described this argument as part of the problem, as intelligent design tried to undermine science by changing it from a study of the natural world to include supernatural explanations, and it was important for clergy to defend science against these attacks.Ken Ham and Mark Looy of the creationist organization Answers in Genesis have repeatedly condemned Evolution Sunday/Evolution Weekend activities as a "Darwin praise service" and expressing dismay that "over 10,200 clergy had signed this awful letter."