Water resources occupy a special
place among other natural resources. Water is the most widely distributed
substance on our planet: albeit in different amounts it is available everywhere
and plays a vital role in both the environment and human life.
Water, odorless, tasteless, transparent liquid
that is colorless in small amounts but exhibits a bluish tinge in large
quantities. It is the most familiar and abundant liquid on earth. In solid form
ice and liquid form it covers about 70% of the earth's surface. Water works for us in many ways, making
our lives easier and more enjoyable. But we must take great care not to overuse
and abuse this precious resource. Water is a basic necessity of life, not only
for people but for every type of plant and animal as well. Water accounts for
about 65% of our body weight. If we lost as little as 12 percent of it we would soon
die. Water is essential not only for survival but also contributes immeasurably
to the quality of our lives. Since the dawn of time, human beings have
harnessed water to improve their lives. In some ways, the history of
civilization is the story of how we have made water work for us in ever more
ingenious ways. As early as 5000 B.C., our predecessors used irrigation to
increase crop production. Archaeologists have found masonry sewers dating back
to 2750 B.C. and water-flushed toilets dating back almost as far. Water
played and continues to play a special role in the growth of our nation.
The fur
trade, which stimulated the exploration of Canada's vast interior, was totally
dependent on water for transportation. Water powered the grist mills and
sawmills along small and large rivers in the Maritimes and Upper Canada making possible the production
and export of grain and lumber two early economic staples. As Canadian industry
diversified water was put to new uses: as a coolant, a solvent, a dispersant,
and a source of hydroelectric energy. The most obvious and immediate uses occur
in its natural setting. They are called in stream uses. Fish live in it, as do
some birds and animals, at least part of the time. Hydroelectric power
generation, shipping, and water-based recreation are other examples of human in
stream uses. These in stream uses are not always harmless. For example, oil
leaking from outboard motors and freighters can cause pollution. Large
reservoirs needed for hydroelectric power generation remove water by
evaporation and completely change the river regime for downstream users.
The
greatest number and variety of water uses occur on the land. These are called withdrawal
uses. This term is appropriate because the water is withdrawn from its source a
river lake or groundwater supply piped or channeled too many different
locations and users and then is collected again for return to a lake, river or into
the ground. Causing microorganisms are referred to as pathogens. Although the
vast majority of bacteria are either harmless or beneficial, a few pathogenic
bacteria can cause disease. Coli form bacteria which are not an actual cause of
disease, are commonly used as a bacterial indicator of water pollution. Other
microorganisms sometimes found in surface waters that have caused human health
problems include. High levels of pathogens may result from on-site sanitation
systems septic tanks pit latrines or inadequately treated sewage discharges.
This can be caused by a sewage plant designed with less than secondary
treatment more typical in less developed countries.
In developed countries,
older cities with aging infrastructure may have leaky sewage collection systems
pipes, pumps, valves which can cause sanitary sewer overflows. Some cities also
have combined sewers which may discharge untreated sewage during rain storms. Paying
for the accumulated deterioration of water supply and sewerage systems, and
making up for the years of indifference and neglect our water resources have
suffered is very much a part of the challenge to conserve water for our own use
and for that of future generations. But if we do not learn from our past
mistakes now, we will add to an already large environmental mortgage. Water
pollution is a major global problem which requires ongoing evaluation and
revision of water resource policy at all levels international down to
individual aquifers and wells. It has been suggested that water pollution is
the leading worldwide cause of deaths and diseases and that it accounts for the
deaths of more than 14,000 people daily Water
pollution is the contamination of water bodies e.g. Lakes Rivers, oceans,
aquifers and groundwater. This form of environmental degradation occurs when pollutants
are directly or indirectly discharged into water bodies without adequate treatment
to remove harmful compounds. Water pollution affects the entire
biosphere – plants and organisms living in these bodies of water. In
almost all cases the effect is damaging not only to individual species and
population but also to the natural biological communities.
Water helps to keep your skin tight and toned, cleansed and flushed of
toxins. Your body naturally fills cells with water to make them firm and tight,
thus reducing the appearance of wrinkles for a smooth finish. When the cells
are filled with water they become bulged and push against your skin from the
inside, and this can help to reduce unsightly marks such as cellulite and
flabby skin. What you put in your body really shows on the outside. Drinking
water makes your blood thinner, leading to a faster blood flow and nourishment
for your body cells. Lowering your blood pressure will give you a healthier
heart and gives you much more energy. With your body feeling cleansed and in
excellent working condition you will feel and look great, giving you a natural
confidence boost. Experts recommend 2.5 liters a day, that is about 6–8 glasses,
but as all bodies are different, check for your weight, height and age. The
more you drink the more your body will crave water, so give it a go. You will
quickly notice positive results. It is commonly recommended to drink eight
8-ounce glasses of water per day
(the 8×8 rule). Although there is little science behind this specific rule,
staying hydrated is important. Here are 7 evidence-based health benefits of drinking plenty of water.
Whether you want shinier hair, younger skin, a healthier body or all
three pure, clear water is the world's best beauty elixir. Water pollution is the contamination of water bodies e.g. lakes, rivers, oceans,
aquifers and groundwater. This form of environmental degradation occurs when pollutants are directly or indirectly
discharged into water bodies
without adequate treatment to remove harmful compounds. Drinking water keeps
your skin cleansed and hydrated, encouraging clear, fresh skin. By drinking
water you flush out toxins and eliminate the dirt that clogs the pores of your
skin giving you a healthier glow. You may not believe it but drinking water
actually helps you to lose weight. A lot of the time when you feel hungry you
are actually thirsty, and when you drink water you feel fuller. This will stop
you snacking needlessly.
Replacing water with your usual drink such as fizzy or
caffeine-based drinks is also good for your body. As well as the health
benefits that water provides, it means that you are cutting out sugary junk
drinks that are bad for you. Water helps to keep your skin tight and toned
cleansed and flushed of toxins. Your body naturally fills cells with water to
make them firm and tight thus reducing the appearance of wrinkles for a smooth
finish. When the cells are filled with water they become bulged and push against
your skin from the inside and this can help to reduce unsightly marks such as
cellulite and flabby skin.
Drinking water hydrates cells and your hair is no
exception. Drink plenty of water to make your hair naturally soft and silky. If
you have frizzy or brittle hair don't bother with expensive products just drink
more water and you will see a difference in no time. What you put in your body
really shows on the outside. Drinking water makes your blood thinner leading to
a faster blood flow and nourishment for your body cells. Lowering your blood
pressure will give you a healthier heart and gives you much more energy. With
your body feeling cleansed and in excellent working condition you will feel and
look great giving you a natural confidence boost.
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