Kinda:

The report calls for a $30-a-tonne price tag on emissions, and says a “staggering” investment in green technologies is required.

The document has been signed by four former prime ministers, Joe Clark and Kim Campbell, both Progressive Conservatives, and Liberals Paul Martin and John Turner.

[…]

The report stops short of endorsing the Liberals’ Green Shift carbon plan, which would offset a tax on emissions with income tax cuts, but Roy said funds generated by an emissions tax must be redistributed to those who would be hit the hardest.