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Fire Disasters in Canada

Disastrous fires may result from arson, accident or uncontrolled forest fire. Their impact may include lives lost, people evacuated and property damaged. Numerous fires, especially forest fires, occur in Canada every year; this article details the worst that have occurred throughout the country’s history.

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Pollution

Pollution can be defined as the release of any material, energy or organism that may cause immediate or long-term harmful effects to the natural ENVIRONMENT. Pollution was viewed initially as the unsightly mess or visible environmental damage resulting from careless disposal of various materials.

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Acid Rain

Acid rain is the wet or dry deposition of acidic substances and their precursors on the Earth's surface. The ongoing industrialization of society has resulted in the increased release of acidic chemicals into the atmosphere.

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Floods in Canada

Floods are primarily caused by naturally occurring changes in the height of rivers, lakes and oceans. According to Public Safety Canada, floods are the most common natural hazard in the country and among the costliest. Historic floods have occurred across Canada, with many of the worst happening on major river systems that pass through populated areas. Scientists predict that flooding linked to the impacts of climate change will increase as the 21st century progresses, particularly in coastal areas of the country.

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Rainfall Extremes

The amount of rain or snow that reaches the ground can vary dramatically on any particular given day, even over short distances. Many people have experienced a near-deluge of rain in their backyard, while at the same time their front yard or their neighbour's home remains quite dry.

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Inside the Kyoto Deal

Alberta’s energy minister, Steve West, spent much of last week wearing a tight smile, his clenched jaw and square shoulders set as firmly as his conviction that people who blame the oilpatch for the next century’s foul weather have lost their heads.

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Weather Forecasting

Most modern meteorologists attempt to cope with physical processes by expressing them mathematically, ie, by creating mathematical models of the atmosphere. Powerful computers are then used to solve problems.

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Drought

Drought is the condition of critically low water supply caused by persistently below-normal precipitation.

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Snow

The size of a snowflake is related to how far the snowflake has fallen from the sky and to how well colliding snow crystals stick to each other. The largest snowflakes are usually observed near 0° C because of the increased forces of adhesion at these temperatures.

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Solar Energy

The energy contained in sunlight is the source of life on Earth. Humans can harness it to generate power for our activities without producing harmful pollutants. There are many methods of converting solar energy into more readily usable forms of energy such as heat or electricity. The technologies we use to convert solar energy have a relatively small impact on the environment. However, they each have disadvantages that have kept them from being widely adopted.

In Canada, the use of solar energy to generate electricity and heat is growing quickly and is helping reduce pollution related to energy production. Despite Canada’s cold climate and high latitudes (which get less direct sunlight than mid-latitudes), solar power technologies are used in many places, from household rooftops to large power plants. The Canada Energy Regulator (formerly the National Energy Board) expects solar power to make up 3 per cent of Canada’s total electricity generation capacity by 2040.

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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.