Notes(Not Made by - EESA01 Chapter one-The first photographs of the planet earth were taken in 1967 A photograph of the planet earth reveals a

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EESA01 Chapter one -The first photographs of the planet earth were taken in 1967. A photograph of the planet earth reveals a great deal but it does not show the complexity of our environment. - Our environment is more then water land and air; it is the total of our surroundings. It includes biotic (living things) and abiotic (none living things) components. - Our environment has abiotic physical constituents such as ocean, clouds, rivers, and icecaps. It also has biotic such as animals, plants, forests, soils, and people that occupy the landscape. - People commonly use the term ‘environment’ in a narrow sense such that it is apart from human society. This is unfortunate because it masks the fact that humans are a part of the interactions that characterise the environment. - In its most inclusive sense our environment includes the complex webs of scientific, ethical, political, economic and social relationships that shape our daily lives. - Environment Canada is here to preserve and enhance the quality of Canada’s natural environment, conserve our renewable resources, and protect our water resources. International relations, politics, ethics, business management, economics, social quality, engineering, law enforcement all play a role in managing and protecting the environment. - We depend utterly on our environment for air, water, food, shelter, and everything else essential for living. However our actions modify our environment ; many of which have enriched our lives bringing us longer life spans, mobility, and leisure however many of them have damaged the natural systems that sustain us. Such impacts are air, water pollution, soil erosion, species extinction, risk to human life and threaten our ability to build a society that will survive and thrive in the long term. -Environmental Science is the study of how the natural world works, how our environment effects us, and how we effect our environment. - With these problems come opportunities for devising creative solutions. As of now global conditions are changing rapidly, we as a civilization are gaining knowledge rapidly through science, with all this happening this time is really exciting to be studying environmental science. -There are limits to our Natural resources which are vital to our survival. Natural resources lie along a continuum from perpetually renewable to non-renewable or inexhaustible also called stock-and-flow resources . - Natural resources that are replenishable over short periods are known as renewable natural resources . Some renewable resources such as sunlight, wind, and wave energy will always be there for us. - Resource management is strategic decision making and planning aimed at balancing the use of a resource with its protection and preservation. This means to balance the rate of withdrawal from the stock with the rate of renewal or regeneration. The stoke is the harvestable portion of the resource. If the stock is being harvested or withdrawn at a faster rate then it can be
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This note was uploaded on 02/29/2012 for the course ENVIRONMEN eesa01 taught by Professor Mitchel during the Fall '11 term at University of Toronto- Toronto.

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Notes(Not Made by - EESA01 Chapter one-The first photographs of the planet earth were taken in 1967 A photograph of the planet earth reveals a

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