Several American business groups, including the U.S. Chamber of Commerce, the National Association of Manufacturers and the American Council for Capital Formation, have launched nationwide campaigns to convince the public that a serious effort to limit the pollution that causes global warming would have catastrophic consequences for the American economy, while providing no significant benefits. It is hard to believe that organizations claiming to represent business interests could be so out of...

WASHINGTON A conservative, free-market advocacy group will begin airing ads this week pressing Senate Republicans and Democrats to vote against a bill that aims to reduce greenhouse gas emissions. The Club for Growth wants to scuttle a bill by Sens...