The undeniable answer to all of that is, waste heat. You can't bury, burn, catapult, or dispose of waste heat. Work is done; heat is created, and that is the 21st century's biggest problem. After we gorge ourselves on renewables first.
e-credibility: the non-guaranteeable likelihood that the electronic data you're seeing is genuine rather than somebody's made-up crap. - Karl Lehenbauer