Percent of the energy we consume are hydrocarbons. That means 86 percent of the stuff we're consuming are probably processed plants and amoebas and the rest of the stuff. And there's a role in here for conservation. There's a role in here for alternative stuff, but we have also got to get that other portion right.
By 2050 at the latest, two-thirds of the world's population will be living in these megacities, putting a tremendous amount of pressure on local infrastructure and the environment- and ultimately on our quality of life, whether the air we breathe, the time we waste in traffic, the energy we consume, or our safety.”.
When one compares the energy consumed in moving a certain distance as a function of body weight for a variety of animals and machines, one finds that an unaided walking man does fairly well(consuming about .75 calorie per gram per kilometer), but he is not as efficient as a horse, a salmon or a jet transport.
When one compares the energy consumed in moving a certain distance as a function of body weight for a variety of animals and machines, one finds that an unaided walking man does fairly well(consuming about .75 calorie per gram per kilometer), but he is not as efficient as a horse, a salmon, or a jet transport.
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