If the global population increases to 9 billion by the middle of the 21st century, which of the following would be necessary?
A) A tripling of the amount of water used for irrigating cropland
B) A growth of 50-70% in global food production over current levels
C) Universal health care coverage
D) A global one-child policy
B
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Ecological footprint models have been used since the ____ .
A. 2000s B. 1990s C. 1970s D. 1800s E. 1500s
A child in which of the following countries would have the biggest environmental footprint?
A) Namibia B) Australia C) Vietnam D) Bolivia E) Yemen
Biocentrism and ecocentrism differ in that
A. ecocentrism is primarily concerned with preserving the places where endangered species live. B. ecocentrism includes both the living things and their interactions in decision making. C. ecocentrism is focused on the uses we make of plants and animals. D. None of the statements is correct.
Which of the following has been an effect of ecotourism in Hawaii?
A) The trash from millions of visitors has choked out mangrove forests on the island of Oahu. B) Tourists have irreparably damaged sensitive coral reef ecosystems. C) Conservation efforts have become more financially feasible because of increased tourist dollars. D) A large marine reserve in Hawaii was forced to close because of the increased need to feed tourists. E) Ecotourism has always been banned in Hawaii, but other Pacific islands have experienced myriad negative effects of ecotourism.