Partisan Polarization Surges in Bush, Obama Years
Declining Republican Support for Tougher Environmental Laws
Numbers, Facts and Trends Shaping Your World
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About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.