Climate change isn't a conspiracy, it just isn't as extreme as they had originally frantically said it to was going to play out. 1. Holocaust Deniers 2. Moon landing Deniers 3. Religious fanaticism. (No, I am not pointing at any specific religion, only the idea that religions can point fingers at a current event and blame it on a direct offense against the given religion. [i.e. John Lennon's comment that The Beatles were more popular than Jesus leading to Anti-Beatle actions by many American Christian churches.])