Should the precautionary principle become part of national and international law?
Is sustainable development compatible with human welfare?
Do ecosystem services have economic value?
Should North America's landscape be restored to its prehuman state?
Should the military be exempt from environmental regulations?
Will restricting carbon emissions damage the economy?
Is global warming a catastrophe that warrants immediate action?
Should we drill for offshore oil?
Is shale gas the solution to our energy woes?
Is renewable energy really green?
Are biofuels a reasonable substitute for fossil fuels?
Is it time to revive nuclear power?
Do we have a population problem?
Does commercial fishing have a future?
Can organic farming feed the world?
Should society impose a moratorium on the use and release of synthetic biology organisms?
Do environmental hormone mimics pose a potentially serious health threat?
Should the superfund tax be reinstated?
Should the United States reprocess spent nuclear fuel?