Toronto is now the fourth-largest city in North America; TTC struggles with ticket enforcement; MGM and Cadillac Fairview outline casino and hotel proposal for Exhibition Centre; Earth Hour 2013 is approaching on March 23rd; Windows Restaurant in the Rogers Centre shuts its doors; and more news.

Toronto overtakes Chicago as fourth-largest city in North America (National Post)

Vastly unpaid tickets point to TTC's enforcement struggles (Toronto Star)

Earth Hour 2013: Lights being switched off March 23 (Toronto Star)

Mayor Ford faces new complaint to integrity commissioner (The Globe and Mail)

MGM and Cadillac Fairview unveil pitch for Exhibition Place casino with hotel and mall (Toronto Star)

Rogers Centre's Windows Restaurant no more (Toronto Sun)

Lobbying role leaves Metrolinx head out of talks on casino impact (The Globe and Mail)