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Too often the term "sustainable living" carries ponderous overtones, as if only government policymakers or serious academics could understand the key ideas. Dr. Art's Guide to Planet Earth explains the Earth's cycles in a lively and colorful way that is comprehensible to Earthlings who are normal curious citizens of the planet, including students of all ages.
Providing a remarkably accessible introduction to the scientific discipline known as "systems theory," Dr. Art describes the three main components that comprise existence on Earth--matter, energy, and life. Next he explains the reciprocal loops that define "Earth's operating system"--matter cycles, energy flows, and life webs. The Earth continuously receives energy from the sun, which directly or indirectly fuels all our vital processes, then leaves the planet as heat that flows to outer space. Dr. Art celebrates the vast and intricate network of relationships that connect the planet's organisms with each other and with the c
