Raise Taxes to Fight Global Warming?

Why do the liberals think that every issue (even make-believe ones) can be solved with raising taxes? The latest is raising taxes to fight global warming.

Mayor Michael R. Bloomberg plans to announce today his support for a national carbon tax. In what his aides are calling one of the most significant policy addresses of his second and final term, the mayor will argue that directly taxing emissions of carbon dioxide and other greenhouse gases that contribute to climate change will slow global warming, promote economic growth and stimulate technological innovation — even if it results in higher gasoline prices in the short term.

Making you pay more at the pump stimulates economic growth? If that's true, why not make you pay more at the grocery store, shopping malls, and restaurants? Wait - they'd like to do that...