Chapter 15 Self-Quiz

. Climate scientists say the planet is heating up because of

. The evidence that global warming is human-caused is

. Gardiner believes that the global environmental tragedy is most centrally a(n) _______ failure.

. The two traditions of moral and political theorizing Gardiner discusses are social contract theory and

. According to Gardiner, the biggest obstacle to effective action regarding climate change is

. Broome points out that emissions are not in the category of

. According to Broome, preventive offsetting is

. Pareto improvement is defined as a situation in which it would be _______ to make some people better off without making anyone worse off.

. Climate scientists say the planet is heating up because of the greenhouse effect.

. Effects resulting from climate change that scientists had predicted in the past have not yet started occurring.

. Climate change and global warming are controversial mostly because of their political and policy implications.

. Reductions in the burning of fossil fuels would have little impact on the economic, commercial, and industrial systems that now run on those fuels.

. Once emitted, molecules of the main greenhouse gas, carbon dioxide, typically persist in the atmosphere and contribute to warming for centuries.

. According to Broome, climate change creates duties within the spheres of both public and private morality.

. Broome believes it is never morally permissible to harm someone.

. Emissions of greenhouse gas constitute an externality, meaning that the person who causes the gas to be emitted does not bear this cost.

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