Презентация по английскому языку на тему "Environmental Problems and Polutions"

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  Ecological problems and pollution
  

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  Main problems:
  
  - Deforestation
  - Forest fires
  - Global warming
  -Air and water pollution
  -Flood
  -Earthquake
  

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  Deforestation actual problem. Deforestation leads to a reduction of timber resources, including for industrial use, as well as the greenhouse effect due to the decline in photosynthesis.
  

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  Forest is our air
  

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  Deforestation occurs for many reasons: trees or derived charcoal are used as, or sold, for fuel or as timber, while cleared land is used as pasture for livestock, plantations of commodities, and settlements.
  Deforested regions typically incur significant adverse soil erosion and frequently degrade into wasteland.
  

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  Forest fires
  
  
  In recent years, the number of intentionally started forest fires has increased alarmingly.
  Some examples are the fires started by lit cigarette butts or uncontrolled bonfires in unsuitable places.
  
  

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  This is a problem that concerns us all, and we all need to fix it.
  

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  Global warming is the rise in temperature in the air
  

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  -Air and water pollution
  Some of the main contributors to water pollution are:
  Factories
  Refineries
  Waste treatment facilities
  Mining
  Pesticides, herbicides and fertilizers
  Human sewage
  Oil spills
  Failing septic systems
  Soap from washing your car
  Oil and antifreeze leaking from cars
  Household chemicals
  Animal waste
  

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  Often used as a synonym for global warming use the phrase "greenhouse effect"
  

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  Some of the main contributors to air pollution are:
  Automobile emissions
  Tobacco smoke
  Combustion of coal
  Acid rain
  Noise pollution from cars and construction
  Power plants
  Manufacturing buildings
  Large ships
  Paint fumes
  Aerosol sprays
  Wildfires
  Nuclear weapons
  

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  A flood is an overflow of water that submerges land which is usually dry.
  Flooding may occur as an overflow of water from water bodies, such as a river or lake, in which the water overtops or breaks levees, resulting in some of that water escaping its usual boundaries,or it may occur due to an accumulation of rainwater on saturated ground in an areal flood.
  

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  Is the result of a sudden release of energy in the Earth's crust that creates seismic waves.
  

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Краткое описание документа:

Презентация о проблемах окружающей среды, видах загрязнений. Способы предотвращения экологических катастроф. Пояснения, что может сделать простой ученик, чтобы помочь нашей планете.В презентации представлены проблемы: глобальное потепление, вырубка лесов, природные пожары лесов и степей, загрязнение воды и воздуха.