As Thunder Bay, Ont., looks to build more housing, environmental advocates are pushing the city to adopt green development standards (GDS) for new units.

GDS are a set of rules developers must follow in order to ensure more energy efficient builds, with the goal of eventually reaching net-zero emissions. 

Members of the Thunder Bay Climate Transition Collaborative are pitching the plan to city councillors on Monday. 

"There's a gradual progression towards net-zero through these targets," said John…