The Senate tackles global warming

The U.S. Senate this week began debate on a far-reaching bill aimed at combating global warming

The U.S. Senate this week began debate on a far-reaching bill aimed at combating global warming—the most comprehensive climate-change legislation ever to reach the floor of either house. The measure aims to cut carbon-dioxide emissions to 66 percent of current levels by 2050, by setting up a system to auction pollution permits to U.S. businesses. Companies whose emissions fall below permitted levels could sell pollution “credits” to companies whose emissions exceed standards. The auctions could raise an estimated $3.3 trillion by 2050, with some of the money used for alternative-energy research.

The measure is not expected to pass in the current congressional session, and President Bush promises to veto it if it does. Still, backers say it marks an important milestone as policymakers get increasingly serious about global warming. “Doing nothing is not an option,” said Republican Sen. John Warner, a co-sponsor. But Kentucky Republican Sen. Mitch McConnell called the bill “a giant tax on virtually every aspect of our economy.”

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