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How do Earth's features influence where people live? What policies should guide our use of Earth's resources?
What role should renewable energy sources play in a national energy policy? How are Newton's Laws related to auto safety?
What are the ethical issues in using genetic information? How might a new species be introduced to an ecosystem?
How should we best respond to global diseases and world health issues? How do we manage ecosystems?
What are some environmental concerns when oil is spilled? What effect does salinity have on ocean water density?
How can we manage the impact of human populations and development so that our global environment can sustain life?