Class 11 Economics - Indian Economic Development - Chapter Environment and Sustainable Development NCERT Solutions | Two major environmental issues facing th
Two major environmental issues facing the world today are ____________ and _____________.
Two major environmental issues facing the world today are global warming and ozone depletion. Global warming refers to the phenomenon of sustained increase in global temperature due to environmental pollution and deforestation. It is caused by the emission of GreenHouse Gases, particularly, carbon dioxide. The increase in the level of carbon dioxide raises the temperature of the earth surface, accelerating the melting of polar ice. This leads to the rise in the sea level. Thus, the disturbed ecological balance leads to increasing natural calamities, posing a threat to human survival.
Ozone acts as a cover for the earth surface that is very essential for the sustenance of life. It prevents the harmful ultraviolet radiations from penetrating the earth surface. But its depletion is becoming a global concern these days. This is due to the excessive use of cooling substances in the air conditioners and the refrigerators. As ozone depletes, the possibility of ultraviolet radiations penetrating to the earth surface increases, posing a threat to life on earth.
More Questions From Class 11 Economics - Indian Economic Development - Chapter Environment and Sustainable Development
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What are the functions of the environment?
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Highlight any two serious adverse environmental consequences of development in India. India’s environmental problems pose a dichotomy — they are poverty induced and, at the same time, due to affluence in living standards — is this true?
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Explain the supply-demand reversal of environmental resources.
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What happens when the rate of resource extraction exceeds that of their regeneration?
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India has abundant natural resources —substantiate the statement.
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Give two instances of
(a) Overuse of environmental resources
(b) Misuse of environmental resources. - Q:-
Is environmental crisis a recent phenomenon? If so, why?
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Explain the relevance of intergenerational equity in the definition of sustainable development.
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Identify six factors contributing to land degradation in India.
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How do the following factors contribute to the environmental crisis in India? What problem do they pose for the government?
(i) Rising population
(ii) Air pollution
(iii) Water contamination
(iv) Affluent consumption standards
(v) Illiteracy
(vi) Industrialisation
(vii) Urbanisation
(viii) Reduction of forest coverage
(ix) Poaching
(x) Global warming
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