-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.
is more then water land and air; it is the total of our surroundings. It includes
(living things) and
(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.
is here to preserve and enhance the quality of Canada’s natural
environment, conserve our renewable resources, and protect our water resources.
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
are vital to our survival. Natural resources lie
along a continuum from perpetually renewable to non-renewable or inexhaustible also called
- Natural resources that are replenishable over short periods are known as
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
is the harvestable portion of
the resource. If the stock is being harvested or withdrawn at a faster rate then it can be