Question: When was the carbon tax introduced in canada?
Answer: 2008
Disambiguated annotations:
qaPairs: question: When was the first carbon tax introduced in a canadian territory?
answer: June 2007
question: When was the carbon tax first introduced during a federal election in canada, but not implemented?
answer: 2008
June 2008
question: When was a carbon tax strategy introduced by canada in response to criticism after the Paris Agreement?
answer: December 2016