A couple of weeks ago I noted modest increases in Australian climate change scepticism and much larger increases in policy action scepticism over the last couple of years.
Now a Pew survey shows that in the United States the sceptics are gaining ground. Since April 2008, the proportion of respondents believing that there is solid evidence that the earth is warming has dropped 14 percentage points to 57% (there is no same-wording question in Australia, but similar questions find over 80% belief in global warming).
Consistent with Tom Switzer’s observation that climate change gets much less media coverage there than here, most Americans haven’t heard anything about their proposed cap and trade system. However 50% favour carbon emissions limits.
I don’t know enough about US politics to say why opinion might be shifting, though Tom is presumably right that with so many other big issues in the US climate change has had a lower priority than here. But that would explain ignorance of or opposition to emissions reduction policies rather than increased scepticism about whether global warming is real or not.