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Displaying 1531-1545 of 6818 results

  • Article

    Climate Severity

     Environment Canada devised the climate severity index to rate a locality's climate according to human comfort and well being. The index has a range from 1 to 100, with a score of 1 representing the least severe climate and 100 the most.

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  • Article

    Climatology

    Climatology is the study of climate over extended periods of time; i.e., of both average and extreme weather conditions. It can also be seen as the study of energy flow through the Earth-atmosphere system. Owing to the Earth's highly interconnected network of subsystems (e.g., solar input, oceans, glaciers, vegetation, atmospheric composition), modern climatology is a multidisciplinary science. The complexity of the Earth's climate is almost certainly due to the co-existence of the three phases of water (vapour, liquid and ice) and the manner in which they interact with radiation. The two main subfields of climatology are physical climatology, which seeks to understand the principles of mass and energy exchanges in the Earth-atmosphere system, and dynamic climatology, which examines factors influencing climate. The study of modern climatology is primarily global in perspective. The main tools used by climatologists are computer models of the atmosphere, ocean and land surface, and data inferred from satellite observations. Other divisions of climatology include descriptive climatology; synoptic climatology, which analyzes weather observations taken simultaneously at different locations; and applied climatology, which makes climate information available to engineers, planners, vacationers, etc (see Climate and Society). The possibility that human activity can deliberately or inadvertently influence climate is also of interest to climatologists.

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    https://d3d0lqu00lnqvz.cloudfront.net/snow/Snow-in-Lunenburg.jpg Climatology

  • Macleans

    Clinton Defends Canadian Federalism

    It doesn't take much to put the spring back into a Quebec separatist's step these days. Their grand project - a march towards independence from Canada, or at least a new partnership of equals with the rest of the country - has bogged down.This article was originally published in Maclean's Magazine on October 18, 1999

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  • Article

    Clocks and Watches

    The manufacture of clocks and watches in Canada may have begun as early as 1700; however, practising watch and clockmakers through the 18th and much of the 19th centuries did not make the movements.

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  • Macleans

    Cloned Sheep Raises Ethical Issues

    She does not look like a circus freak or a monster or an omen of evil. Her eyes and ears have a pinkish hue - just like they are supposed to.This article was originally published in Maclean's Magazine on March 10, 1997

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    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Cloned Sheep Raises Ethical Issues

  • Macleans

    Cloning Sheep

    For more than a decade, scientists have been using genetic technology to produce biologically identical copies, or clones, of animals. In theory, cloning can be used to improve sheep and cattle breeds by ensuring that the animals' most desirable genetic characteristics are passed on.This article was originally published in Maclean's Magazine on March 18, 1996

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  • Article

    Closure

    Closure is a procedural provision allowing the Government to curtail debate in the House of Commons and bring on a vote.

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  • Article

    Clothing during the colonial period

    The colonization of eastern Canada began with the French in the 17th century. For some years, these settlers depended for clothing on what they brought with them.

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  • Article

    Clothing Industries

    Mass production of clothing in Canada began in the mid-19th century in urban centres, which supplied pools of semi-skilled labour and were the major consumer markets.

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  • Article

    Cloud

      Cloud, visible suspension in the atmosphere composed of tiny water droplets or ICE crystals from about one to a few hundred micrometres in diameter.

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  • Article

    Clover

    The "true" clovers (genus Trifolium) are herbaceous plants of the pea family Leguminosae or Fabaceae (see legume) and must be distinguished from bur clovers (Medicago) and sweet clovers (Melilotus) of the same family.

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  • Article

    Club-moss

    Club-moss, perennial, evergreen, coarsely mosslike plants belonging to the genera Diphasiastrum, Huperzia, Lycopodiella and Lycopodium of the club-moss family (Lycopodiaceae).

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  • Macleans

    CN Back on the Rails

    "The guy was working full time on GM's property and he was driving a Ford," Paul Tellier sputters, his native French bending vowels as he delivers the punch line to his anecdote.This article was originally published in Maclean's Magazine on January 13, 1997

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    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 CN Back on the Rails

  • Macleans

    CN Cuts 3,000 More Jobs

    This article was originally published in Maclean’s magazine on November 2, 1998. Partner content is not updated. Necessary downsizing or corporate greed? Canadian National Railway Co.’s announcement last week of plans to slash 3,000 jobs quickly prompted those diametrically opposed views. CN executives said the cuts were required to make the company more competitive.

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  • Article

    Cnidaria

    Cnidaria, phylum of multicellular, radially symmetrical invertebrates (eg, hydroids, jellyfish, sea anemones, corals) dating to late Precambrian era (630-570 million years ago). 

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