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Article

Energy in Society

Energy plays a unique and critical role in the world; no activity of any kind (no "work") can take place without the movement or conversion of energy.

Article

Toronto Subway

The Toronto subway is part of a larger public transportation network, including streetcars, buses and light rapid transit, run by the Toronto Transit Commission (TTC). It opened on 30 March 1954, making it Canada’s first subway. Since then, it has grown from a single, 12-station line running 7.4 km beneath Yonge Street to a four-line system encompassing 75 stations over 76.5 km. In 2017, the TTC recorded 213 million passenger trips on the Toronto subway.

Article

CTrain

CTrain is a light rail transit system in Calgary, Alberta. It is operated by Calgary Transit, a public transit service owned by the City of Calgary and operated through its Transportation Department. Service began on the initial downtown transit corridor and south line in 1981. It expanded to northeast Calgary in 1985, to the University of Calgary in the city’s northwest in 1987 and to the city’s west side in 2012. Most of its route and stations are at surface level. Calgary Transit operates the CTrain in conjunction with an extensive network of bus routes. Through equivalency purchases of wind-generated electricity, it has been entirely wind-powered since 2001. Its two separate lines comprise 45 stations, 118.1 km of track, and an average daily ridership of 312,300 (2018).

Article

Natural Gas in Canada

Natural gas ranks among the fastest-growing energy sources in Canada and is seen by many in the energy industry as a game-changer, a comparatively clean, low-cost and versatile fuel. It can directly generate power and heat and can be chemically altered to produce a wide range of useful commodity chemicals. It burns cleaner and more efficiently than other fossil fuels, releasing significantly fewer harmful pollutants into the atmosphere. Natural gas is colorless, odourless, shapeless, lighter than air and contains a mixture of several hydrocarbon gases, which are organic compounds consisting of some combination of hydrogen and carbon molecules.

The primary consumers of natural gas are the industrial (54.1 per cent), residential (26.6 per cent) and commercial sectors (19.3 per cent). Canada is the fifth largest natural gas producer after the United States, Russia, Iran and Qatar. Currently, all of Canada’s natural gas exports go to the United States through a network of pipelines, making Canada the largest foreign source of US natural gas imports. At the end of 2016, Canada had 76.7 trillion cubic feet of proven natural gas reserves and had produced 152 billion cubic metres of natural gas that year. It is forecasted that global natural gas consumption will double by 2035.