vernment should take the responsibility to raise Americans' awareness about climate change.Р49. Many climate experts believe that the most effective way to lower emission is to tax on carbon.Р50. Nuclear supporters argue that nuclear system failures are less challenging than global warming.Р51. Recent extreme weather made President Obama feel it is urgent to address climate change.Р52. Keystone pipeline should be rejected because it is a signal to reduce fossil fuels.Р53. Since Obama signed a 2009 executive order to cut waste, the federal government has taken the lead in saving energy.Р54. Lower carbon emission will be most likely to happen if research in new energy resources succeeds.Р55. Compared with turning to new energy, America prefers carbon capture and store as a temporary measure.
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