The rotational momentum of the Earth is being decreased by all the greedy wind grabbers out there, increasing the lengths of our days, not to mention nights. Scientifically, there's data that shows our 24 hours per day has increased by approximately 1.5732x10e-74 per century. This is fact, people. And this doesn't even begin to discuss the affects on gravity. Forget about solar energy hogs. We are in trouble.