The Kyoto Protocol calls for mandatory carbon reductions of 30% from developed countries like the  Reducing man-made  emissions this much would have an undetectable effect on climate while having a devastating effect on the  economy. Can you drive your car 30% less? Reduce your water heating 30%? Pay 20 – 50% more for everything from automobiles to zippers? And that is just a down payment with more sacrifices to come later.