What if Canada had spent $200bn on wind energy instead of oil ?

In explaining Canada's decision to nationalise the controversial Trans Mountain pipeline for $4.5bn, Bill Morneau went hard on the economic argument. “Make no mistake,” the finance minister said. “This is an investment in Canada’s future.”

In fact, since 1999, more than $200bn has been invested into the Alberta oil sands for that future. But what if that cash had gone into wind energy instead?

Let’s compare.