Sentences with phrase «worth of human energy»

Not exact matches

From estimates of how much society values a human life, Jason West at the University of North Carolina in Chapel Hill and colleagues deduce that alternative energy supplies should be worth the cost.

The plane's frame needed to be strong enough to carry a human pilot, several days» worth of resources and four heavy batteries, but light enough to fly on the solar energy absorbed by the 17,000 solar cells — each as thin as a human hair — mounted on its wing, fuselage and horizontal stabilizer.

With enough energy in one hour's worth of global sunlight to meet all human needs for a year, solar technologies are an ideal solution.

Because of efficiency losses, the energy taken for human purposes from these sources can never be worth as much as that same energy left in place to naturally regulate the climate.

I am here to tell you that investing the time, labor and human ingenuity that is required to build nuclear energy facilities of all sizes and shapes is worth the effort for the future of humanity — as long as your view of the future lasts more than 30 - 100 years.