Chapter

How Energy is Used

E. C. Pielou

in The Energy of Nature

Published by University of Chicago Press

Published in print May 2001 | ISBN: 9780226668062
Published online February 2013 | e-ISBN: 9780226668055 | DOI: http://dx.doi.org/10.7208/chicago/9780226668055.003.0019
How Energy is Used

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Every living thing depends on a source of energy outside itself to keep it living and reproducing. Sunlight provides the energy for green plants; animals use the chemical energy in their food. For all nonhuman animals, food and sunshine are the only sources of energy. This chapter gives a brief overview of the multitude of energy sources tapped by humans and of some of the ways “raw” natural energy is converted for human use. It covers combustible fuels; wind energy; the energy in moving water; solar energy; and geothermal and nuclear energy.

Keywords: natural energy; sunlight; chemical energy; hydropower; solar energy; nuclear energy

Chapter.  5434 words. 

Subjects: Biological Sciences

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