As leaders convene in Copenhagen to discuss climate change, they will address a concern shared around the globe. Publics are willing to sacrifice economic growth for the environment, but nations are split on which country should lead on global warming.

The contrast between attitudes toward military involvement in Afghanistan and Iran fits into a temporal pattern. Americans generally like their wars to be successful or short -- and ideally both.

The author of The Purpose Driven Life describes the worldwide spread of evangelicalism and the particular agenda driving his church's role in that movement.

Americans are famous both for being weight conscious, and at the same time unable to come to terms successfully with their bloated waistlines. The same paradox has applied to how the public looks at budget deficits for a very long time.

Data files from the U.S. Religious Landscape Survey, including interviews with a representative sample of more than 35,000 U.S. adults, are now available to the public for further study and analysis.

As Obama weighs difficult choices in Afghanistan, the public also appears to be finding it difficult to judge the merits of different options for expanding, maintaining or contracting the U.S. effort on that front.

In recent years, Republican viewers have migrated increasingly to Fox News but Democrats comprise a larger share of the Fox News audience than Republicans do of CNN's audience.

Why do fewer Americans believe the earth is warming? A range of possibilities, including a sour economy and, perhaps, a cooler than normal summer in parts of the U.S., may provide an explanation.

There has been a sharp decline in the percentage of Americans who say there is solid evidence that global temperatures are rising. Still, there is more support than opposition for cap and trade policy.

Marriage, divorce and remarriage rates vary significantly among states as do average education and income levels. Analysis of new Census data reveals some interesting patterns.