the presentation is most importantly for the ones who are concerned for the environment and human impacts which are harming it. the presentation is making people aware about what they should do to the earth and what not

2. Environment
• The term "environment" means total surroundings of
an organism.
• Environment is a system of physical, chemical and
biological factors in dynamic equilibrium. It can be
classified into Abiotic and Biotic environment.

3. HUMAN DEPENDANCE
Today we can see that earth is being
harmed by humans only. Human
greed is increasing day by day
causing various disastrous effects.
We depend on our mother earth for
everything we need and want.
Humans depend for food supply,
Medicines, Natural resources for
industrial products and many more
things.
We should understand that a
healthy environment is essential for
our survival.

4. IMPACTS
Ozone depletion
Loss of
biodiversity
Global warming
Air ,water & land
pollution

5. DRIVERS OF ENVIRONMENTAL
CHANGE
Drivers of
Environmental
change
Anthropocentrism
Human –centered
values-
Contempocentrism
Generation –
centered values-
Technology
Population
growth
Poverty Affluence
Core values
Amplifiers
Consumptive
behavior

6. HUMAN
FOOTPRINT
Each and every living
organism consumes the
Earth's resources in order to
survive. this consumption
and subsequent waste has
an impact
on our ecosystems. When
these consumption and
waste activities extend
beyond the earth's carrying
capacity, an imbalance is
struck and ecological
degradation ensues.
It is an impact on the
atmosphere similar
to the footprint we
are leaving in the
sand.
An average Carbon
footprint of a
British citizen is
about 10 tones of
CO2
An average Carbon
footprint of an
Indian citizen is
round about 1.5
tones of CO2
A measure of the
amount of carbon
dioxide emitted
through fossil fuel
combustion
CARBON
FOOTPRINT

7. POPULATION GROWTH
Population growth is the central
cause of the environmental crisis
Our population is rapidly rising
beyond the earth's ability to
regenerate and sustain us .
We are exceeding the carrying
capacity of our planet.
Impact of population growth
1.Deforestation
2.Over use of bioresources
3.Pollution
4.Rapid mining of non biological
resources

9. INCREASED DEMAND FOR RESOURCES
OVER CROWDING
OF PEOPLE
INCREASED
DISPOSAL
OF WASTE
AIR POLLUTION

10. Deforestation
• Tropical forests cover
only six percent of
Earth’s land surface.
• They contain between
70% and 90% of
world’s species .
• Deforestation is
causing a loss of
biological diversity on
an unprecedented
scale.
• Loss of biological
diversity between 50
and 100 animal and
plant species each day
• Tropical rainforests
are disappearing at an
alarming rate.

11. Breathing of polluted dust or particles cause problems in the
respiratory system
• Eating fruits and vegetables that have been grown in polluted
soil lead to birth defects
• Cause problems on the skin
• Cause various kinds of cancers

12. 1. Temperature
extremes
2. Rise in sea level,
and change in
precipitation
3. Storms, coastal
flooding
4. Contamination of
drinking water
5. Drought .

13. • Visibility reduction -
airborne particles
• Material damage -
damage to rubber goods
and textiles
• Agricultural damage
– damages all kinds of
crops
• Psychological effects
– psychosomatic
diseases
• Physiological and
health effects –
respiratory /
cardiovascular diseases
and lung cancer
MORE AIR POLLUTION LEADS TO
MORE CARBON DIOXIDE IN AIR
In 1850, atmospheric
concentration of carbon dioxide
was about 280 ppm.
Today, it is about 350 ppm.
This increase is due largely to
burning of fossil fuels and clearing
of forests.

14. • Scarce Water - Currently, 434 million people face either
water stress or scarcity. By 2025 it may increase between 2.6
billion and 3.1 billion people.
• Scarce Cropland -The number of people living in countries
where cultivated land is critically scarce is projected to increase
between 600 million and 986 million in 2025.
• Forests – Past Land cover of forests in India is 33%- Present
Land cover of forests in India is 12%- Global rate of
deforestation is 10 million hectares per year .
• Global Warming –Average surface temperature of the earth
is 15 degrees C. It has risen by 0.6 degrees C.
• Species Extinction –Earth may lose upto 50% of the species
by the end of 21 century. In tropical forests the extinction is
2-5 species per hour.

15. Green clean technology
 green technology is the technology which is environmentally
friendly technology
 It's main goal is to find ways to produce technology that do not
deplete the Earth's natural resources.
 The use of green technology is to reduce the amount of waste
and pollution that is created during production and consumption
of various technologies.
1.More and more use of solar, wind and geothermal energy
2.Reusing and recycling(composting of solid waste and remanufacturing)
3.Natural resource conserving (managing land resource. Organic farming)
4.Carbon capture and storage technology
5.Generate electricity, heat, fuel from the renewable technologies
6.Biochar
7.Hydrogen fuel cells

16. Suggestions for Improvement
 Prevent pollution.
 Reduce waste.
 Manage the use of natural resources.
 Maintain the diversity of life.
 Protect and respect the world's natural, cultural,
indigenous and historical heritage.
 Support environmental education and training.
 Support local action and community participation.
 Promote practices, methods and technologies that
reduce negative impacts on the environment.

17.  Over 1 billion people lack
access to safe water supplies,
while 2.6 billion people lack
adequate sanitation.
 Water-associated infectious
diseases kills 3.2 million lives
each year, approximately 6%
of all deaths globally.
 The burden of disease from
inadequate water, sanitation,
and hygiene totals 1.8 million
deaths.
Water pollution
Nutrient loading may lead to
eutrophication .
Organic wastes cause oxygen
depletion.
Industrial discharges contain heavy
metals , resin pellets, organic toxins,
oils, nutrients, and solids.
Discharges from power stations can
also have thermal effects, and these
too reduce the available oxygen.
Impact of water
pollution

18. In 1980s scientists
discovered a
"hole" in the ozone
over Antarctica.
In 1990s
atmospheric
scientists reported
an annual loss of
40-50% of the
ozone above
Antarctica.
One CFC molecule
can destroy 100,000
ozone molecules
Healthimpacts of Ozone depletion
. Each 1% drop in ozone is thought
to increase human skin cancer rates
by 4-6%.
The United Nations Environment
Program predicts a 26 percent rise in
cataracts and non-melanoma skin
cancers for every 10% drop in ozone.
This translates to 1.75 million cases
of cataracts and 300,000 more cases
of skin cancer every year.

19. Threats to
Biodiversity
Habitat loss and
destruction
Alterations in
ecosystem
composition
Introduction of
exotic species
Over-
exploitation
pollution and
contamination
Global climate
change

20. • Climate change
is one of the
significant
causes of
biodiversity
loss
• Biodiversity is
a fundamental
determinant of
health
•Reduces ecosystem
process rates and
ecosystem functioning
•Change the
productivity of
ecosystem
•Affects food security ,
vulnerability to
natural disasters,
energy security and
access to clean water
and raw materials
•Affects human health ,
social relations and freedom
of choice
•Reduce résistance of
ecosystem - wildfires, pest
out breaks
•Impair the ocean’s capacity
to provide food, maintain
water quality and recover
from perturbations
•Impair sustainable
livelihoods and sustainable
economic growth