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Tuesday, June 22, 2010

Air pollution


Today I am going to talk about the air pollution...
Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems. Pollutants can be classified as either primary or secondary. Usually, primary pollutants are substances directly emitted from a process, such as ash from a volcanic eruption, the carbon monoxide gas from a motor vehicle exhaust or sulfur dioxide released from factories.
Secondary pollutants are not emitted directly. Rather, they form in the air when primary pollutants react or interact. An important example of a secondary pollutant is ground level ozone, one of the many secondary pollutants that make up photochemical smog.
Major primary pollutants produced by human activity are carbon monoxide, sulfur oxides(SOx), nitrogen oxides(NOx), dioxide carbon (CO2) and volatile organic compounds.
The increased in the atmospheric pollution causes damage in the pulmonary function and heart attacks, affects to the people with asthma. With the air pollution the most affects are the elderly and the childrens. the results are alarming!! 2.4 million people die each year from causes directly attributable to air pollution, with 1.5 million of these deaths attributable to indoor air pollution.

There are various air pollution control technologies and land use planning strategies available to reduce air pollution; the solution is in our hands

Awaiting for your comments and opinions about this topic that is important for health of all people!!






6 comments:

  1. Hi Camila,

    In my opinion, we must protect the earth, because It give us all the ambients for live.

    I dont know if you had heard the myths about the air pollution and the diversity effect in the weather, if you have time, search in google, its very interesting.

    See you tomorrow, Bye

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  2. oohhh! cami is very interesting your post
    obviusly that we must care our planet!, and air pollution is a dangerous problem for all people!.
    CARE FOR OUR PLANET!!

    see you soon

    ReplyDelete
  3. Hi Camila!

    I think that your post is very interesting and it is a actual topic that affect the people´s health.
    Furthermore there are few public policies that protect our planet.

    I hope that all the peoples take conscience of the importance to decrease the air pollution.

    See you in class!

    ReplyDelete
  4. Hi Camy!
    I agree with our classmates this is a very interesting topic, current and very important to inform us about it.
    see you soon=)

    ReplyDelete
  5. Hi Camy!!
    I agree with your topic!
    we are destroying our planet! u.u

    ReplyDelete
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