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Types of Sand Dunes

In this Geoshortqa we are going to know about types of Sand Dunes. Types of Sand Dunes, Geoshortqa Sand Dunes Sand dunes are heaps of sand found in deserts . Generally , their heights vary from a few metres to 20m , but in some cases dunes are several hundred metres high and 5 to 8 km long .   The formation of sand dunes requires  • Wind of high velocity  • Abundant sand  • Obstacles such as trees , bushes , forests , rock outcrops , walls against , which dunes may settle  • Ideal places i.e. dune complex , dune colony or dune chain . Dunes formed due to obstacles like hushes , walls etc. are called nebkhas , where dune formed besides desert depressions are called lunettes.   Dunes are classified on the basis of morphology , structure , orientation , location , internal structure , ground pattern and number of slip faces . These are the various types of sand dunes  a) Transverse Dunes are dunes deposited transverse to the prevailing winds direct...
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The Environmental Protection Act (EPA), 1986

In this Geoshortqa we are going to know about The Environmental Protection Act (EPA),1986 


The Environmental Protection Act (EPA),1986 was enacted by the Government of India under Article 253 of the Indian Constitution.

The Act came in as a result of 'Bhopal Gas Tragedy' as well as India's commitment to follow United Nations Conference on the Human Environment that took place at Stockholm in June 1972.

Environment protection act 1986, Geoshortqa



Objective and functions of the EPA

Section 15 of the Environmental Protection Act 1986 establishes the objective of the EPA:

It is the objective of the Authority to use its best endeavours:

a. to protect the environment

b. to prevent, control and abate pollution and environmental harm.

Section 16 of the Environmental Protection Act 1986 establishes the functions of the EPA. One of these

functions, the subject of this Statement, is to conduct environmental impact assessments.


Environmental Management requires 'Sustainable Development' policies to seizure environment degradation at National as well as International level .


Finally we need to protecting the environment.

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