We have a problem with climate change.  It has to be solved.  It can't be solved by burning more fossil fuels.

Everyone is going to have to help. 
 
Removing subsidies always makes an economy more efficient - and that is true even if done unilaterally.

The fossil fuel industry is the most heavily subsidized industry on Earth.  So, a good start would be to remove fossil fuel subsidies.  That is what a carbon levy does.

Countries with the best environmental law are also the richest: Would you rather live in Switzerland or Nigeria?

Basic truths of economics and history:
Environmental law creates jobs and wealth. 
Oil brings war, poverty, misery and injustice.

Diesel will be needed for farms and ships for a long time.  However, freight railroads become more efficient when electrified.  Electricity does that kind of heavy lifting better than anything else.  Almost all urban transit can be taken off oil. Much of it can be electrified.

Canada has enormous untapped renewable resources.