Pollution In Canada


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pollution in canada Sustainable Development

Sustainable Development


By the year 2200 there will be a lot more people living on this planet
then there are now.  Estimates range anywhere from 15 to 36 billion people.
Where will these people live?  How will they live?  The answer is sustainable
development.  Sustainable development, "meets the needs of the present without
compromising the ability of future generations to meet their own needs. "  It
also, "requires meeting the basic needs of all peoples and extending to them the
opportunity to fulfill their aspirations for a better life.  A world in which
poverty is endemic will always be prone to ecological and other catastrophes."
Sustainable development is being ignored in Chile, the Philippines, and Siberia,
practiced in Madagascar and in Alaska, and examined in the Lake Baikal region of
Russia.  These Countries must learn from each other's failures and success to
discover what sustainable development involves in their own country.
Sustainable development has three divisions, economic, environmental,
and social.  If sustainability is to occur it must, meet these three divisions.
In Chile, none of these divisions is being met.  Economically speaking, almost
40% of the population is poor and as a result many make a living directly from
the land clearing forests.   In the IVth region of Chile, forest regions are
being depleted at an amazing rate.  This depletion of the forest in this region
results in two main things, one,  people must spend increasing amounts of energy
traveling to the site of present cutting and two, the removal of the trees over
time has lead to soil erosion and rapid desertification of the area.   This soil
erosion also removes many nutrients from the soil making the land poor for
agriculture.  The third division, social, is not met here either.  The lack of
organizations to relieve the negative effects of poverty on the environment have
only contributed to the problem.
In the Philippines the environmental degradation is similar in nature
but more catastrophic in result.  There in the province of Leyte 6000 people
were killed when flash flood ripped through Ormoc City in 1991.   The floods
were a result of logging of a forest in that region and conversion of that area
into commercial farming practices such as sugarcane.  This in itself did not
cause the floods, the conversion of the forest into farming left the heavy rain
from a typhoon with nowhere to go.  Normally the forest would have stopped any
flash floods as it would have held the water let it out slowly, but with the
forests gone there was nothing to delay the water from exiting the system.  The
economical effect of this that land and buildings were destroyed causing
millions of peso's worth of damage.  The social impact is easy to discern, those
who lost loved ones, friends, and family can never get them back.
In Madagascar the same type of thing was happening.  Locals were cutting
down the forest and planting rice and cassava.  It was estimated that this
process of deforestation was costing the country between, "100 and 300 million a
year in decreased crop yields, the loss of productive forests and damage to
infrastructure."   Something needed to be done, the government implemented a
plan to, "protect and improve the environment while working for sustainable
development."
The approach integrates all aspects of sustainable development.
Socially, a public education programme explains why locals shouldn't cut down
the tree's and why it is economically more important that they don't.
Environmentally, the forests will not be lost now.  And economically some
cutting is still down however it is sustainable cutting.  New jobs were also
created in this program.  In order to persuade villagers that this was the best
route to take, half of all fees paid by tourists to enter the parks within which
the forests are, go directly to development projects for the community.  They go
to the community because of the "positive correlation between prosperity and
environmental quality.   This means that the more prosperous you are the more
you can afford to clean up the environment.  A poor country like Madagascar
could not possibly invest as much capital as Canada could into the reduction of
Air pollution or the clean up of contaminants in soil.
In the Russian north all aspects of sustainability were ignored.  There
in part of Siberia that stretches from the Ural Mountains in the west to the
Novosibirsk in the south, [see appendix one, fig one] the environmental and
social divisions of sustainable development were ignored for the economical.
This region produces 78% of Russia's oil and 84% of it's natural gas. ... more

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Blue Whales




Balaenoptera Musculus, or the blue whale, is the largest mammal in the world.  This enormous mammal can grow to be 110 feet long and weigh as much as 190 tons.  That's longer than two city buses and the total weight of 30 elephants.  This giant is powered by a heart the size of a taxi-cab.  The blue whale's of the Antarctic grow larger than those of the Northern Hemisphere.  Also, the females tend to be slightly larger than the males of the same age.  These mammals are bluish-gray in color, with some paler spots.  Algae tends to accumulate on their bellies causing a yellowish or mustard color. It has a mottled appearance with a broad, flattened U-shaped head.  Fifty to ninety throat grooves run from the mouth to the belly.  Instead of teeth,  blue whales have 270 to 400 black baleen plates on each side of their mouths.  These plates are about forty inches long and twenty-two inches wide.  The blue whale has a tiny, stubby dorsal fin set far back on its body.  It has a 20 foot wide, slightly notched,  triangular flukes, which is propelled by an extremely thick tail stock.  The flippers on this creature are long and slender, and are about one-seventh of the whale's body length.  The blue whale's most prominent feature is its exceptionally fleshy splashgaurd, which surrounds the blowholes at the front and sides.  This whale spouts a single slender jet that soars forty to fifty feet high.
The blue whale has very poor eyesight, no sense of smell, and has no sense of taste.  However, the blue whale does have  well-developed senses of touch and hearing.  This large mammal has a life span of about eighty years.
At this time there is not too much known about the blue whale's behavior.  Blowing and diving patterns vary according to the whale's activity.  The blue whale blows every ten to twenty seconds for a total of two to six minutes, when relaxed, and then dives.  They usually stay submerged for five to twenty minutes, but can stay under for up to 40 minutes.  Blue whale's usually dive to around 490 feet, but can go deeper if need be.  When swimming slowly, the whale rises at a shallow angle.  He blows as soon as the head begins to brake the surface.  The head disappears below the surface and a long expanse of the back rolls into view.  The dorsal fin normally appears some time after the blow has dispersed and the head has disappeared.  The dorsal fin is visible only briefly before the whale arches its back in preparation for the dive.  Sometimes the whale arches its tail stock, but often simply sinks below the surface.
The blue whale can accelerate to speeds of over 19 miles per hour when it is being chased, but usually he swims much slower.  Adult whales rarely, if ever, breach clear of the water.  Youngsters, however, have been observed breaching at an angle of 45 degrees, and landing on their stomachs or sides.
Blue whales are close knit and are usually found in groups of 1-5.  You may see up to 30 whales gathered at the feeding grounds.  Most feeding seems to take place during the evening and early morning.  The whales produce ultrasonic chirps and whistles when feeding.  They use a low frequency moan to call to each other.
This mammal uses its powerful muscles in the tail to drive the great fan-shaped blades (flukes) up and down to propel itself through the water.  It takes him very little energy to swim.  Their bodies are designed better than man-made missiles or submarines.  They have a fine oil that lubricates their smooth, thin skin and reduces friction.  Blue whales have extremely flexible and marvelously streamlined bodies that help them glide through the water without a ripple.  Their bones are light and spongy, making them naturally buoyant.  They neither rise nor sink, but can stay at any given depth without any effort.  Dorsal fins and flippers give the whale stability and keep them right side up.  The flippers rotate at the shoulders and are used for steering and braking.
Blue whales descend from early land mammals.  Millions of years ago the richness of life in the ... more

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