BIOGEOCHEMICAL CYCLE

The elements or mineral nutrients are always in circulation moving from non-living to living and then back to the non-living components of the ecosystem in a more or less circular fashion. This circular fashion is known as biogeochemical cycling (bio for living; geo for atmosphere). Nutrient Cycling: The nutrient cycle is a concept that describes … Read more  BIOGEOCHEMICAL CYCLE

DMPQ- Critically analyse the lack of Policy and Regulatory Framework for Wastewater .

Wastewater shares the policy and regulatory framework with water; however with some differences such as the role of bodies such as the Central Pollution Control Board (CPCB) becomes more critical. The CPCB, under the MoEF, is an advisory body to the government for prevention and control of water and air pollution and for improvement in … Read more DMPQ- Critically analyse the lack of Policy and Regulatory Framework for Wastewater .

DMPQ: The Indian Meteorological department confirmed that this month was coldest in Delhi since 1901. What are the Possible reasons for such cold waves?

In Delhi, the average maximum temperature for December was less than 20°C until December 27. This has happened only four times in the last 118 years, and the IMD has said this month would most likely become the second coldest December for Delhi since 1901. A cold-day condition is said to prevail when the maximum … Read more DMPQ: The Indian Meteorological department confirmed that this month was coldest in Delhi since 1901. What are the Possible reasons for such cold waves?

DMPQ- Recently ‘Green Crackers’ term was in the news. What do you understand by the term Green Crackers?

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?

   TERRESTRIAL ECOSYSTEMS

    The interrelations between organisms and environment on the land constitute “Terrestrial Ecology”. The most important limiting factors of the terrestrial ecosystems are moisture and temperature.     TUNDRA The word tundra means a “barren land” since they are found where environmental conditions are very severe. There are two types of tundra- arctic and … Read more    TERRESTRIAL ECOSYSTEMS

DMPQ: what is environment impact assessment? Why it is conducted? (Envt.)

It is a study to evaluate and identify the predictable environmental consequences and the best combination of economic and environmental costs and benefits of the proposed project. On the basis of EIA, an Environmental Management Plan (EMP) is prepared, which is a description of the means by which the environmental consequences as pointed out in … Read more DMPQ: what is environment impact assessment? Why it is conducted? (Envt.)

DMPQ: . Explain the functions of National green tribunal.

The National Green Tribunal has been established for effective and expeditious disposal of cases relating to environmental protection and conservation of forests and other natural resources including enforcement of any legal right relating to environment and giving relief and compensation for damages to persons and property and for matters connected there with or incidental thereto. … Read more DMPQ: . Explain the functions of National green tribunal.