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Global Warming Seminar: Acid Rain & Deforestation
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Global Warming Seminar: Acid Rain & Deforestation

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Acid Rain & Deforestation has a very big contribution to the Global Warming increase. This presentations shows how it occus, its causes and efects.

Acid Rain & Deforestation has a very big contribution to the Global Warming increase. This presentations shows how it occus, its causes and efects.

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Global Warming Seminar: Acid Rain & Deforestation Global Warming Seminar: Acid Rain & Deforestation Presentation Transcript

  • acid rain anddeforestation | causes, effects and impacts
    Luis Paulo Carneiro & Ricardo Coqueiro
    Wizard University
    #seminar 01| Sao Paolo, August, 26th-10
  • Acid rain
    By Luiz Paulo CARNEIRO
    ChemicalEngineer, specializing in Environmental
  • How Acid RainWorks
    Acid rain occurs mostly in the Northern Hemisphere
    Acid rain, also known as acid deposition, is caused by emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx)from power plants, cars and factories.
    SO2 / NOx + H2O-> H2SO4 / HNO3
    View slide
  • The pH of Acid Rain
    Express the acidity of acid rain using the pH scale.
    The scale defines a solution's acidity, neutrality or alkalinity based on its concentration of hydrogen ions. ( 0 – 14 pH)
    Acids – pH > 7,0
    Most life is comfortable at a near- neutral pH (7,0
    View slide
  • The pH of Acid Rain
    Acidrain - pH of 5.0 orless. Mostaciddeposition ranges from pH 4.3 to 5.0
  • The Effects of Acid Rain
  • The Effects of Acid Rain
    Ex: Oldbuildings, monumentstombstones, automotivepaint
  • The Effects of Acid Rain
    Effects for our health
    Sulfate (SO4), nitrate (NO3) particulates of dry deposition can ­cause asthma, bronchitis and heart problems.
    The NOx in acid deposition also reacts with volatile organic compounds (VOCs) to form ground-level ozone (O3). Ozone, or smog, aggravates and weakens the respiratory system.
  • DEFORESTATION
    By Ricardo COQUEIRO
    Administrator , MBA in Human Resources
  • What is Deforestation?
    Is a process of cutting trees to make spaces frees for pastures, industries, households of the ever-increasing human population;
  • What are the Causes of Deforestation?
  • What are the Causes of Deforestation?
    To Create Grazing Land
    Used for Fuel
    To make highways and roads
    For Agriculture
    Urban and Construction
    Clearing forests for oil and mining exploitation;
    Wildfires
    Acid rain
  • What are the Effects of Deforestation?
  • What are the Effects of Deforestation?
    Erosion of Soil
    Disruption of the Water Cycle
    Loss of Biodiversity
    of Soil
    Climate Change
    Flooding and Drought
  • Deforestation in the World
  • Deforestation in the Brazil
    Rondonia, Brazil
  • Deforestation and Global Warming
  • Deforestation and Global Warming
    20% of global warming is caused by deforestation
  • Thankyou!