clipped from www.thestar.com

Most Canadians tell pollsters they're concerned about climate change. Many insist they'd like to do something about it, and would even pay for measures to reduce greenhouse gas emissions.

An armoured truck follows other cars on Eastern Ave. over the Don Valley Parkway as the city chalks up its second smog day of the season, before spring is even over, May 8, 2007.

But propose actual cash amounts – 25 cents a litre on gasoline, perhaps, or a $10 daily commuter toll – and support evaporates.

"Once you put a price on it, people tend to think twice about it and say, `Maybe not,'" says Mario Canseco of Angus Reid Strategies, which surveyed about 3,700 Canadians on the issue last March.