Environment

The hydraulic filling method is suitable for granular fill. Generally, this method is used when filling is carried out from an offshore source, either from a rehandling pit, as explained earlier, or from a trailer suction hopper dredger. In the case of pumping from a cutter suction hopper dredger, the fill material is dredged from … Read more DMPQ- Explain the Hydraulic filling method of Soil Reclamation.

Ozone is a gas that occurs both in the Earth’s upper atmosphere and at ground level. Ozone can be “good” or “bad” for your health and the environment, depending on its location in the atmosphere. Ground-level or “bad” ozone is not emitted directly into the air, but is created by chemical reactions between oxides of … Read more DMPQ- What do you understand by the term Good ozone and bad zone?

  Thermal power plants are the major source of energy in India. Nearly 65% of energy production comes from thermal plants. The energy is generated through coal heating process and then running turbine. But the energy generation is not a eco friendly exercise. Thermal power plant affect the environment in following way: Air Pollution:      Particulate … Read more DMPQ: How thermal power plants are detrimental to the environment?

Conservation of Critical Environmental Resources – To protect and conserve critical ecological systems and resources, and invaluable natural and man-made heritage, which are essential for life-support, livelihoods, economic growth, and a broad conception of human well-being. Intergenerational Equity – To ensure judicious use of environmental resources to meet the needs and aspirations of the present … Read more DMPQ- What are the objectives of National Environment Policy?

The Rio Declaration was adopted in the conference recognizing the universal and integral nature of Earth and by establishing a global partnership among states and enlisting general rights and obligations on environmental protection. The Rio Declaration is a statement of 27 principles for the guidance of national environmental behaviour and enlisting general rights and obligations … Read more DMPQ:Rio Declaration.

They do not contain harmful chemicals that would cause air pollution.  Components are replaced with others that are less dangerous and less harmful to the atmosphere.  The idea was carried forward by a network of CSIR labs.  The team came up with 3-4 formulations and looked at 30-40% of active materials which reduce particulate matter.  … Read more DMPQ- Recently ‘Green Crackers’ term was in the news. What do you understand by the term Green Crackers?