Pittsburgh Post-Gazette: Despite the scientific consensus that global warming is occurring and caused by human activity, a new survey conducted for the Pittsburgh Post-Gazette demonstrates that many Americans remain uncertain about the impact of climate change and the need for government action to address it.
This is contrary to some polls suggesting wide support for steps to counter the phenomenon. David W. Moore, director of the iMediaEthics survey, said the results suggest that, because of flaws in methodology or wording,...