is talking about pollution, the problem,describe and make a solutions.

1. by: Daniel Felipe Gutiérrez, Juan Diego Lemus, Nelson Rico
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2. *
Bogotá
Medellín
Cali
Bucaramanga

3. *

4. *

5. Types of
pollutants
Primary
pollutants
Are pure
gases
ej: carbon
monixide
Secondary
pollutants
Are mix
gases
ej: SMOG

6. *

7. *Forest fires
*Volcanic eruptions
*Wind erosion
*Pollen dispersal
*Evaporation of
organic compounds
*Emissions from
industries and
manufacturing
activities.
*Burning fossil fuels
*Household and
farming chemicals

8. *

9. *

11. * Acidification : The
formation of the acid
rain.
* Eutrophication:
Rain can carry and
deposit N in
pollutants on rivers
and soils.
* Ground-level
ozone: Chemical
reactions involving
air pollutants create
a poisonous gas
ozone.
* Particulate matter:
Air pollutants can be
in the form of
particulate matter
which can be very
harmful to our
health.

12. *

13. *In many big cities,
monitoring
equipment have
been installed at
many points.
*Introduce the Green
energy.
*Controll the
activities of the
companies.
* Create of the
energy efficient
cars.
* Encourage your
family to use the
bus, bike or walk.
* Use energy (light,
water, boiler, kettle
and fire woods)
wisely.
* Recycle and re-use
things.