Need to act as if it is real? The cost will put us into bankruptcy (if obamacare doesn't do it first). Plus, if China and India, to name two, do not also take steps, all we do will be for naught. Besides, if the data is manipulated to make it look like global warming is taking place and any data that suggests otherwise is ignored, that would be a very expensive mistake in deed. Locks on a door will not stop anyone from robbing your house.