pollutants and their impact on human life exploitation of natural and energy resources pdf

Pollutants and their impact on human life exploitation of natural and energy resources pdf

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What is the Depletion of Natural Resources?

OVEREXPLOITATION OF NATURAL RESOURCES

Environmental Sustainability—necessary for survival

The exploitation of natural resources is the use of natural resources for economic growth , [1] sometimes with a negative connotation of accompanying environmental degradation. It started to emerge on an industrial scale in the 19th century as the extraction and processing of raw materials such as in mining , steam power , and machinery developed much further than it had in preindustrial areas. During the 20th century, energy consumption rapidly increased.

What is the Depletion of Natural Resources?

Environmental sustainability is one of the biggest issues faced by the mankind at present. Increasing population along with tremendous escalation in anthropogenic activities has raised several questions on the sustainability of natural resources on our planet. No part of the Earth is now untouched by the effect of human activities or pollution. Ever increasing human population and increment in per capita consumption has put great constraint on the natural resources. In addition to this, urbanization, industrialization and modern agricultural practices have polluted the water resources, air and soil all around the globe. The natural resources are thus not only being over-exploited but also becoming contaminated with toxic chemicals making it difficult for the survival of future generations.

OVEREXPLOITATION OF NATURAL RESOURCES

Natural resources are those that the planet offers without the need for human intervention. They are essential our survival, but if they are consumed at a faster rate than their natural regeneration, as is currently the case, they can be exhausted. Then, we review the consequences and possible solutions to this problem. Human beings are depleting the planet's natural resources. There are two types of natural resources: renewable and non-renewable. The former are inexhaustible, like solar radiation, or their renewal is relatively rapid, as is the case with biomass.


What are the consequences of the overexploitation of natural resources? Human beings are depleting the planets natural resources. The uncontrolled consumption of natural resources has significant effects: worldwide breathe air with high levels of pollutants and seven million people die each year air pollution.


Environmental Sustainability—necessary for survival

One of the most compelling reasons for studying environmental science and management is the fact that, in the view of many leading authorities, we are now experiencing an environmental crisis; indeed, many authors have claimed that the present environmental crisis is unprecedented in its magnitude, pace and severity Park Awareness of this environmental crisis has grown since the s, partly as a result of the prominence given to major so-called 'environmental' disasters such as the Sahelian droughts of the s and s and the nuclear accident at Chernobyl in Consequently, a wide range of environmental problems has emerged; those problems include anthropogenic climate change 'global warming' , the depletion of stratospheric ozone the 'ozone hole' , the acidification of surface waters 'acid rain' , the destruction of tropical forests, the depletion and extinction of species, and the precipitous decline of biodiversity.

Not a MyNAP member yet? Register for a free account to start saving and receiving special member only perks. The goals for a transition toward sustainability, as we set them out in Chapter 1, are to meet human needs over the next two generations while reducing hunger and poverty and preserving our environmental life support systems. The activities to approach this goal can only move ahead within the constraints set by resources and the environment. In this chapter, we therefore ask two related questions:.

Not a MyNAP member yet? Register for a free account to start saving and receiving special member only perks. Fossil-fuel dominated electricity generation in the United States and China has enormous environmental consequences.

OVEREXPLOITATION OF NATURAL RESOURCES

Overall, at least 1.

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Every one of us is sustained by various kinds of natural resources — such as food, materials, and energy that are harvested or otherwise extracted from the environment. Our need for those resources is absolute — we cannot survive without them. Moreover, the same is true of all other species — every organism is a component of an ecosystem that provides the means of subsistence. Collectively, the needs and activities of people comprise a human economy. That economy operates at various scales, ranging from an individual person, to a family, to communities such as towns and cities, nation-states such as Canada , and ultimately the global human enterprise. While an enormous and rapidly growing number of people are supported by the global economy, a lot of environmental damage is also being caused.

To understand the context of the WASH sector you need to understand the nature of the interactions between us as human beings and our environment. Humans need to interact with the environment to obtain our food, water, fuel, medicines, building materials and many other things. Advances in science and technology have helped us to exploit the environment for our benefit, but we have also introduced pollution and caused environmental damage.

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    PDF | Natural resources exploitation, exploration, mining and processing have sewage treatment and pollution control, while the government should provide Exploitation of natural resources is an essential condition of human existence, throughout the production and as a source of domestic energy is at alarming rate.

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    To understand the context of the WASH sector you need to understand the nature of the interactions between us as human beings and our environment.

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