British Columbia’s Carbon Tax Has Been So Successful That Businesses Want To Increase It

http://thinkprogress.org/climate/2016/03/31/3765312/canadian-business-support-carbon-tax-increase/
"A carbon tax may be a controversial topic in the United States, but in one Canadian province, this eight-year-old policy has been such a success that on Wednesday more than 100 businesses said they support a tax increase."