Here’s Skeptical Environmentalist Bjorn Lomborg on the folly of trying to reduce carbon emissions:
Two points underlie the issue of global warming: First, developing nations have no intention of letting the developed world force them to stop using carbon-emitting fuels. They are understandably wary of any policy that might curtail the domestic economic growth that is allowing their populations to clamber out of poverty. And that is precisely what drastically reducing their carbon emissions would do.
Second, even for more-developed economies, trying to force drastic cuts in carbon emissions makes no economic sense. All the major climate economic models show that to achieve the much-discussed goal of keeping temperature increases under 2 degrees Celsius, we would need a global tax on carbon emissions that would start at $102 per ton (or about 90 cents per gallon of gasoline) — and increase to $4,000 per ton (or $35.51 per gallon of gasoline) by the end of the century. In all, this would cost the world $40 trillion a year. Most mainstream calculations conclude that this is 50 times more expensive than the climate damage it seeks to prevent.
In other words, trying to force cuts in carbon emissions is a solution that will cost far more than the problem it is meant to solve.