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  Environmental impacts

Environmental impacts:

1. Thermal Power:

The water, air, and soil pollution caused by these plants in terms of fly ash, SO2, CO2, NO2 and particulates and so on is becoming intolerable in the environmentally conscious society.

2. Hydel power:

Hydro-electric power generation is related with displacement and relocation of human population from the site of hydel plant to other places. This leads to considerable human troubles causing considerable delay in the implementation of the project and escalation of its cost. New dams built might affect the ecology of the locating sites.

3. Nuclear power:

Radioactive pollutants discharged from nuclear power plants are chronically harmful. The commissioning of boiling water power reactors (i.e., BWRS) has resulted in the vital accumulation of big number of long lived radio nuclides in water. Environmentalists argue that thermal effluents from nuclear reactors have acutely affected the aquatic eco system. The hazardous radioactive waste can’t be buried in land without the risk of polluting soil and underground water. Numerous well publicized accidents (Example, Chernobyl disaster at former U.S.S.R.) and radiation episodes have specified a lot of fear in the mind of general public regarding the radiation hazards.

4. Solar energy:

The utilization of solar energy, from the environmental viewpoint, is a totally safe operation. Though, the sites for larger installations of solar power plants must be chosen without decreasing the forest cover. Cadmium, employed in fabricating thin film solar cells, is both poisonous and a possible carcinogen. Carbon dioxide generated while forming silicon from silica might raise the atmospheric temperature causing green house effect. Silicon dust is also a significant occupational hazard.

5. Fossil fuels:
The burning of wood, coal, oil, dung cakes and petroleum products would cause environmental troubles.

  • The raise in CO2 concentration is highly responsible for green house effect and global warming, whereas
  • Disposal of fly ash needs large ash ponds and might pose a severe trouble.
  • The smoke generated by burning of wood, agricultural by-products or animal’s dung cake causes respiratory and digestive problems and might also lead to eye and lung diseases.
  • Nitrous oxide, Sulphur dioxide and CO2 can cause acid rain.

 

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