Carbon tax is an unconstitutional use of federal power, Ontario tells court
by from on (#4D7NG)
![B88669586Z.1_20190415190705_000_G8LIFE25](http://media.zuza.com/6/2/62625a33-5e7d-44e0-9e80-5c0b638e4797/B88669586Z.1_20190415190705_000_G8LIFE25.5-0_Content.jpg)
Lawyers for Doug Ford's PC government argued the constitution does not let Ottawa impose its chosen means of combating climate change in areas of provincial jurisdiction.