by: Daniel Felipe Gutiérrez, Juan Diego Lemus, Nelson Rico

* AIR POLLUTION

*Impact News

Only in Colombia

6.000 people die

in 2010 Bogotá

MedellínCaliBucaramanga

*Mexico city is the most polluted in the world

*What Is Air Pollution ? Occurs when gases, dust particles, smoke or odour are introduced into the atmosphere in a way that makes it harmful to humans, animals and plants.

Types of pollutants

Primary pollutants

Are pure gases ej: carbon monixide

Secondary pollutants

Are mix gases ej: SMOG

*What causes air pollution?Air Pollution can result from human and natural actions.

Natural Events

*Forest fires

*Volcanic eruptions

*Wind erosion

*Pollen dispersal

*Evaporation of organic compounds

Human Activities

*Emissions from industries and manufacturing activities.

*Burning fossil fuels

*Household and farming chemicals

*What are the common air pollutants around ?

*What are the effects of air pollution ?

* 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.

*Air Pollution prevention, monitoring and solution

Government

level prevention

* 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.

Individual

Level prevention

* 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.