What role, if any, do you think people should play in preserving those regions threatened by human encroachment? o How should the interests of competing groups be balanced? Example: Drilling in the Arctic-environmental groups oppose the plan on the grounds of the destruction to the habitat; those in favor argue that tapping into the oil there would be good for the economy and decrease reliance on foreign oil. o What about when the habitat is not within the U.S. borders? Many...