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Introduction
Today in the 21st century, the United States and most of the rest of the world
are environmentally aware societies. The popular press and social media are
ripe with discussions about thinking and acting green, environmental sus-
tainability, climate change, threatened marine mammals, toxic chemicals,
and hazardous waste. Even advertisers in capitalistic societies play to our
environmental awareness by touting the low environmental impact of their
products and the zero-landll factories that produce them.
However, environmental awareness alone cannot achieve environmental
protection, much less improvement in environmen ...