The current science centre building is facing $369 million in deferred and critical maintenance needs over the next 20 years, the business case said.

While the project won't open before next year, an update on construction of the Gordie Howe International Bridge says ironworkers and operating engineers marked the milestone on Friday.

The company the sale is part of its move to focus on its engineering services and nuclear businesses. 

The upgrades at the stations were delivered as part of the broader GO expansion program. Sustainable design was also top of mind during the project re-design, Metrolinx says.

Ontario's new energy minister is unapologetic about the province's use of natural gas to partly fuel growing energy needs, calling opposition to it "ideological."