"We disagree with the narrow ruling by the majority that the federal government has the power to ensure a provincial minimum price on carbon, and will be joining Saskatchewan in their appeal to the Supreme Court of Canada", the statement reads in part.
Despite Saskatchewan's Court of Appeal ruling Friday that a federally imposed carbon tax is constitutional, Manitoba plans to carry on with its Federal Court appeal of the plan.
In the appeal court's decision, Chief Justice Robert Richards writes, "The Greenhouse Gas Pollution Pricing Act is not unconstitutional either in whole or in part". "I'm disappointed with the Saskatchewan Court of Appeal's decision, but that will not stop us from continuing to fight the federal carbon tax in Ontario". There are still opportunities to win the case in the court challenges lead by other provinces that oppose the tax, he said, with the Supreme Court acting as the ultimate "game seven".
The carbon tax came into effect in Saskatchewan and other provinces without a carbon tax, including Manitoba, Ontario and New Brunswick, on April 1.
Stewart Elgie of the University of Ottawa says the federal government can set standards and the provinces decide how to meet them, much as Canada already does in health care and social programs.
The Mercury will have more details as they become available. Ontario argued that the provinces, not the federal government, have the primary responsibility to regulate greenhouse gas emissions and that the regulatory charges the act seeks to impose are in fact unconstitutional disguised taxation.
McKenna called climate change an issue of national concern.
A Canadian court ruled on Friday that a federal carbon-pricing plan does not violate the constitution, marking a victory for Prime Minister Justin Trudeau on one of his trademark policies ahead of the October national election.
"Jason Kenney is prepared to pull the rug out from under thousands of jobs associated with the Climate Leadership Plan with predictability for investors ... in favour of rolling out the red carpet for one imposed by Ottawa", Phillips said.
"The justices may have been split on this issue, but producers are not", Lewis said, adding that in his organization's view the carbon tax will hurt businesses without helping to deal with carbon emissions. The province also said it breached the constitutional principle that only legislatures can impose taxes as the executive branch would determine what jurisdictions it would apply.
"The environment is not a legislative subject matter that has been assigned to either Parliament or the provincial legislatures under the Constitution Act".
"Ultimately this (question) will be decided in this fall's election at the ballot box".
Under the Made-in-Manitoba plan, the province was to impose a price of $25 per tonne that would not rise which was rejected by the federal government.
Manitoba filed papers in Federal Court last week for its own challenge.