The leather headband and memory-foam-loaded earpads provide ample comfort for long sessions, and the earcups are cushy enough to keep the cartilage on your ears protected.
While there is no doubt that wind, solar and geothermal have ample energy to power the planet--the sunlight that hits Earth in a single hour contains enough energy to fuel the human population for a year--they will need years to mature before they reach anything approaching their potential.
There are ample wind resources in the U.S. that could replace some of the oil imports, but not enough eagerness needed to harvest the wind for electricity.