The climate is ALWAYS changing.
The sun is the major driver that cancels out all other miniscule factors in that change.
No, the sky is not falling.
Just take a look at the Cretaceous period.
The political zealots promoting this junk science totally ignore the geological record -- if they even know anything about it. Anyone with even an elementary grounding in geological processes and the Earth's violent history quickly realizes AGW is a religion, not a rigorous fact-based discipline.