Public Transit Sources

The History of Toronto's Unfinished Expressway System

5 Apr 2009

Toronto is served by a system of both Provincial Freeways and Municipal Expressways. Provincial Freeways are owned and operated by the Ontario Ministry of Transportation including the Queen Elizabeth Way and Highways 400, 401, 403, 404, 409, 410 and 427. Highway 407 was sold to a private company and is operated as an express toll route.

Q: The orbits of the Sun and Earth are elliptical and constantly changing. This combined with the Sun's varying energy output has what relationship to climate change?

A: One of the greatest scientists of the 20th century, Serbian astrophysicist Milutin Milankovitch, developed a mathematical theory of climate based on the geometry you are asking about. More >>

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	Emerald City Left Out In The Cold March 11, 2010 Residents in Seattle were left with chills earlier this week, as the temperature dropped to 28 degrees (F) Monday night—tying a record set in 1956. The recent cold spells comes after weeks of unseasonably warm weather—which weather forecasters have said were a result of El Niño. Read More>>

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Public Transit Sources

The History of Toronto's Unfinished Expressway System

Emerald City Left Out In The Cold