“Canada has vowed to slash emissions from the building sector by 37 per cent by 2030 and then achieve net-zero in the sector by 2050.”
First paragraph: “Seven years after construction started, a 34-acre plot of once-contaminated industrial land in the middle of the Ottawa River is being celebrated as the most sustainable community in Canada.”
Where did all the contaminants go? What did those contaminants consist of? Not a word…but its all good because net zero can be seen on the horizon (if the taxpayers kick in a few bucks) ! 
Check out the comment section…not everyone agrees. One commenter states the initial cleanup cost $60 million with the feds picking up the tab.