John Muir, a great American environmentalist, felt that ________.
pristine wilderness should be preserved because "We need beauty as well as bread"
In general, natural resources ________.
should be used efficiently and conserved
Environmental problems whose dimensions include differential exposure to risk from toxic wastes and air pollution or lack of access to the natural beauty of parks based on ethnicity or race are issues of ________.
The process by which several researchers review another researcher's manuscript prior to publication to ensure research quality is referred to as ________.
Geothermal energy, wind and solar radiation are all examples of ________.
Which of the following is the best description of a sustainable system component?
one which is in balance with the system as a whole
Ecosystem services ________.
economically valuable services provided by natural systems
Today, in 2011, the human population totals about ________.
You have read about the mistakes made on Easter Island. On Tikopia, another small island, the people acted in other ways. When they realized that the pigs they had imported were damaging the environment, they killed them all. They had to have permission from a chief to fish, which prevented overfishing. They practiced contraception. These all indicate that ________.
they truly practiced sustainability
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