3. Water PollutionWater Pollution
• Everyday, we cook, do laundry, flush the toilet, wash our cars,Everyday, we cook, do laundry, flush the toilet, wash our cars,
shower and do many things that use water. Think about howshower and do many things that use water. Think about how
we use water in schools, hospitals and public places. Industrieswe use water in schools, hospitals and public places. Industries
cause huge water pollution with their activities. In some not-cause huge water pollution with their activities. In some not-
so-developed countries, the sewage is not treated, but quicklyso-developed countries, the sewage is not treated, but quickly
dumped into the sea or water bodies. This is VERYdumped into the sea or water bodies. This is VERY
dangerous because they contaminate the environment and waterdangerous because they contaminate the environment and water
bodies and bring many deadly diseases to us.bodies and bring many deadly diseases to us.
4. RubbishRubbish
• The unusable waste is a problem for many societies,The unusable waste is a problem for many societies,
especially big cities and for the entire population ofespecially big cities and for the entire population of
the planet, because of overpopulation, modernthe planet, because of overpopulation, modern
human activities have increased consumerism muchhuman activities have increased consumerism much
the quantity of rubbish generate, the above alongthe quantity of rubbish generate, the above along
with the inefficient management is done with thewith the inefficient management is done with the
waste ,causes problems such as pollution, thatwaste ,causes problems such as pollution, that
summarizes health problems and damage thesummarizes health problems and damage the
atmosphere causing social and political conflictsatmosphere causing social and political conflicts
6. Climatic ChangesClimatic Changes
• In the last 10 years,In the last 10 years,
climate changes andclimate changes and
catastrophes arecatastrophes are
becoming morebecoming more
intense, becauseintense, because
man has engaged inman has engaged in
activities that affectactivities that affect
the environment ..the environment ..
7. Water ShortageWater Shortage
• Water resources willWater resources will
steadily decline becausesteadily decline because
of population growth,of population growth,
pollution and climatepollution and climate
change. We get the mostchange. We get the most
amount of water fromamount of water from
rivers, but most arerivers, but most are
unusable because ofunusable because of
pollution. Desalinatedpollution. Desalinated
water is a potentialwater is a potential
source, although the costsource, although the cost
of the process is tenof the process is ten
times higher.times higher.
8. Ozone layer problemsOzone layer problems
• The depletion of the ozoneThe depletion of the ozone
layer, threatens biodiversity,layer, threatens biodiversity,
since it is affected bysince it is affected by
receiving more harmful solarreceiving more harmful solar
radiation (ultraviolet rays);radiation (ultraviolet rays);
also, this problem affectsalso, this problem affects
climate regulation andclimate regulation and
humanity causing majorhumanity causing major
health problems, specificallyhealth problems, specifically
promotes the development ofpromotes the development of
skin cancer, cataracts andskin cancer, cataracts and
immune deficiencies.immune deficiencies.
The main cause is the useThe main cause is the use
and release of severaland release of several
chemicals known as Ozonechemicals known as Ozone
Depleting Substances (ODS).Depleting Substances (ODS).
9. Melting glaciersMelting glaciers
• This phenomenon affectsThis phenomenon affects
the availability of freshthe availability of fresh
water for humanwater for human
consumption andconsumption and
irrigation, and, in theirrigation, and, in the
longer term, it could raiselonger term, it could raise
the general level of thethe general level of the
oceans. The thaw couldoceans. The thaw could
cause both local floods incause both local floods in
the villages near thethe villages near the
glaciers, and globally inglaciers, and globally in
coastal cities.coastal cities.
10. "What's the use of a fine"What's the use of a fine
house if you haven't gothouse if you haven't got
a tolerable planeta tolerable planet
to put it on?“to put it on?“
Henry David ThoreauHenry David Thoreau
11. Show You Care,Show You Care,
Do Your Share.Do Your Share.
Or else…Or else…
12. A great loss of animal, plant andA great loss of animal, plant and
human lifehuman life..