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Create AccountWaste may be defined as any substance for which the generator or owner has no further use. Hazardous wastes are waste substances whose disposal in the environment could potentially pose hazards to human health, jeopardize natural or agricultural resources, or interfere with other amenities.
From descriptive beginnings as the geography of the sea, oceanography has matured into a quantitative and multidisciplinary science bringing together experts from many basic fields.
The battle between doctors and patients’ families has only just begun
This article was originally published in Maclean’s magazine on February 21, 2000. Partner content is not updated.
Across the Arctic, the ominous signs are everywhere. With average temperatures in some parts of the Canadian North rising at the rate of about 1° C each decade, glaciers are in retreat. Scientists report a dramatic thinning of the Polar ice cap.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.
The first European explorers and settlers in North America found wildlife in abundance. This wealth was recognized as having immediate commercial value, with FISHERIES and the FUR TRADE being the first widespread exploitive activities.
The last time Williams met with federal officials, on Dec. 22 in Winnipeg, he ended up storming home and ordering the Canadian flag taken down from provincial government buildings.
Classification involves arranging individual units with similar characteristics into groups. Soils do not occur as discrete entities; thus the unit of measurement for soil is not obvious.
Nuclear Energy is energy from the nucleus of an atom. In stars such as the sun, pairs of light atoms (mostly hydrogen) fuse together and release the radiation received on earth as solar energy.
This article was originally published in Maclean’s magazine on April 15, 2002. Partner content is not updated.
Ashley Roll's mother is reluctant to have her come to the phone. She's worried that answering questions will take too much out of the 19-year-old, but Ashley says she's feeling up to it. Because of chronic fatigue syndrome, Roll is almost a prisoner of her home in Burnaby, B.C.Physical meteorology links meteorology and physics in studies of 3 core topics: electromagnetic radiation, meteorological thermodynamics and cloud physics. Related topics include stratospheric physics, atmospheric electricity, optics and ACOUSTICS.
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.
Anthropology is the comparative study of past and contemporary cultures, focusing on the ways of life and customs of people around the world. Subdisciplines have developed within anthropology, owing to the amount of information collected and the wide variety of methods and techniques used in research. The main branches are physical anthropology, archaeology, linguistic anthropology, ethnology (which is also called social or cultural anthropology) and applied anthropology. In Canada, early anthropologists included missionaries, explorers and traders who documented the lives of the Indigenous people they encountered. Later, the Geological Survey of Canada played a significant role in the development of Canadian anthropology.
This article was originally published in Maclean’s magazine on March 9, 1998. Partner content is not updated.
For someone facing the prospect of being sent to trial on a charge of murder, Nancy Morrison appeared remarkably calm. As she stood to one side of a packed courtroom in Halifax last Friday morning, the 42-year-old respirologist spoke amiably with one of her defence lawyers.Mountainous zoneThe unglaciated areas of the Yukon Territory within the Cordilleran part of the mountainous zone contain the most productive Pleistocene (about 2 million to 10 000 years ago) VERTEBRATE fossil localities in Canada.
