Environtmental and Global Health

Posts Tagged ‘water pollution’

As many know, drinking water is a nonrenewable resource, and as such, we must care for and it is a necessary good for our lives, as well as for all living things, despite the increasing water Pollution is increased by neglect, and the little care that we have about it.

Doing our bit for the issue, we have prepared a brief overview of what the issue is to gain an understanding of the various forms of pollution problems and which are now detected, and to better understand why they take certain preventive measures. Read the rest of this entry »

A river, lake or reservoir eutrophication suffer when their waters are richer in nutrients. It might seem at first glance it’s good that the waters are well packed with nutrients, because that could live easier living. But the situation is not so simple. The problem is that if there is excess nutrients plants grow in abundance and other agencies. Later, when they die, rot and fill the water smells and give it a foul, drastically reducing its quality.

The putrefaction process consumes large amounts of dissolved oxygen and water are no longer suitable for most living things. The end result is an ecosystem all but destroyed.

Eutrophic and oligotrophic water Read the rest of this entry »

No doubt one of the biggest problems facing many people today (whether developed or underdeveloped, although it is true that I have never liked this term) is water pollution.

Mainly because as we know, water is virtually essential for life, and so the contamination can be very negative for both economic and social development of the people or communities living close to the polluted site.

It is true, as argued by many experts, the water pollution caused by human activities is an important environmental phenomenon, which begins to produce since the first attempts of industrialization, to transform it into a problem as common as widespread.

For the start of the one called industrial revolution in the early nineteenth century, the production processes of this period required the use of a large amount of water for processing raw materials, while effluent production processes such discharges were then in natural water channels, with their waste pollutants concerned. Read the rest of this entry »

Freshwater pollution problem known since antiquity. One of the first historical evidence is the story of Scripture on one of the ten plagues of Egypt, which describes the transformation in “blood” from the Nile river water, a biological phenomenon because of contamination caused by microorganisms.

With increasing population and the emergence of industrial water pollution of rivers, lakes and even ground water continues to rise. Pollution caused by domestic and industrial waste, deforestation and land-use practices, significantly reduce the availability of water that can be used.
WHO and water pollution

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Hunting, killing and exploitation of animals .- hunting vermin and predators to their demise has been the practice until very recently. They were a threat to livestock, hunting and man and for that reason sought to eliminate animals such as wolves, bears, birds of prey, and so on.

Hunting has played a double role. At times it has served to preserve hunting grounds and places protected natural parks that are valuable today. In the case of other species has led to its extinction or near, as was the case of the Dodo, the fledgling American bison American prairie, the European vultures, some varieties of whale, and many other animals.

At present the trade of exotic species, collecting, capturing species with purported healing properties (especially valued in the Chinese Pharmacopoeia), mass tourism, etc.. threat to many different species. Read the rest of this entry »