air pollution
DESCRIPTION
is talking about pollution, the problem,describe and make a solutions.TRANSCRIPT
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 ?
* 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.
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.