I’m not sure which camp the results of this poll by Yale University helps the most, the climate change believers or their sworn enemies, the “deniers:”
Americans’ Knowledge of Climate Change reports results from a national study of what Americans understand about how the climate system works, and the causes, impacts, and potential solutions to global warming. Among other findings, the study identifies a number of important gaps in public knowledge and common misconceptions about climate change.
Overall, we found that 63 percent of Americans believe that global warming is happening, but many do not understand why… These misconceptions lead some people to doubt that global warming is happening or that human activities are a major contributor, to misunderstand the causes and therefore the solutions, and to be unaware of the risks. Thus many Americans lack some of the knowledge needed for informed decision-making in a democratic society. For example, only:
- 57% know that the greenhouse effect refers to gases in the atmosphere that trap heat;
- 50% of Americans understand that global warming is caused mostly by human activities;
- 45% understand that carbon dioxide traps heat from the Earth’s surface;
- 25% have ever heard of coral bleaching or ocean acidification.
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