5. 1. Urban problems related to energy
2. Water conservation
3. Climate change
4. Global warming
5. Acid rain and Ozone layer depletion
6. Resettlement and Rehabilitation issues
7. Environmental ethics
6. 1. Urban problems related to
energy
In developed countries (besides India) the amount
of energy used is much more compared to
underdeveloped / developing countries.
Industrialized developed countries use energy for
these purposes:
(i) residential and commercial
(ii) industrial
(iii) transportation.
In less-developed countries ( for example India),
most of the energy is used by individuals.
8. 3. Climate change
• Climate is average weather of an area
• Control temperature, evaporation
rate, seasons, moisture content.
• Conditions if prevail for 30 years…its
said to be the climate of an area
• Currently Climate is Changing
9. 4. Global warming
• Overall increase in temperature by a few
degrees.
• It happens when greenhouse gases (carbon
dioxide, water vapor, nitrous oxide, and
methane) trap heat and light from the sun in
the earth’s atmosphere, which increases the
temperature.
• This hurts many people, animals, and
plants.
• Many cannot take the change, so they die.
10. 5. Acid rain and Ozone layer
depletion
• Acid rain occurs when these gases react
in the atmosphere with water, oxygen,
and other chemicals to form various
acidic compounds. The result is a mild
solution of sulfuric acid and nitric acid.
• The production and emission of CFCs,
chlorofluorocarbons, is by far the
leading cause of depletion of ozone
layer
12. 7. Environmental ethics
• Ethical behaviour is of utmost importance
• We believe and think: Man is all powerful
and supreme creature of the earth.
• Nature has provided us with resources and
she nourishes us like our mother, so we
should respect and nurture her
• Live sustainably.
• Earth ethics or environmental guidelines
help us to protect our mother earth.
