Washington’s carbon tax differs from British Columbia

In Olympia, Gov. Jay Inslee is pushing lawmakers to enact a new tax on carbon gas emissions before the legislature adjourns on March 8.

Inslee wants Democrats, who now control the legislature, to approve a $20 metric ton levy. He says it is necessary to combat the effects of climate change and would start in 2019.

There would be no corresponding tax offsets as provided in British Columbia and under I-732 which is the ballot measure Washington voters rejected in 2016. Nor is there a cap on future tax increases.

The additional money would go to pay for projects that reduce greenhouse gases, mana...