Ecology and our planet – maturitní otázka

 

Otázka: Ecology and our planet

Jazyk: Angličtina

Přidal(a): Klára Č.

 

ENVIRONMENT:

  • All the things that surround us; conditions where people, animals and plants live

 

MAIN PROBLEMS WITH THE ENVIRONMENT:

  • Air pollution
  • Greenhouse effect, global warming
  • Water pollution
  • The hole in ozone layer
  • Ice and glaciers melting
  • Deforestation, cutting down rainforests
  • Overpopulation

 

GREENHOUSE EFFECT AND GLOBAL WARMING

  • GREENHOUSE EFFECT:
    • Means that the hot air warmed by the sun gets trapped close to the ground because the carbon dioxide produced by human activities
    • CARBON DIOXIDE IS PRODUCED BY:
      • Factories
      • Burning fossil fuels in cars and other vehicles
    • GLOBAL WARMING
      • This hot air trapped near the ground causes the whole earth to get warmer and warmer
      • IT CAUSES:
        • The desertification
        • Glaciers and polar ice are melting
        • Level of water´s surface is increasing à causing floods
        • Climate change (milder winters, hotter summers)

 

THE HOLE IN OZONE LAYER

  • OZONE LAYER: a shield that protects the Earth from ultraviolet sunrays/ light
  • ULTRAVIOLET LIGHT: very dangerous and harmful for all living creatures, causes cancer
  • THE HOLE IN OZONE LAYER:
    • Ozone layer is being destroyed by chlorofluorocarbons – CFCs
    • CFCs were used in fridges, air sprays and in cleaning industry but after discovering the hole in ozone layer the CFCs production was banned
    • Some sensitive people have to use sunscreens for higher temperature to avoid sunburns

 

AIR POLLUTION

  • AIR POLLUTION: is created by excessive quantity of gasses and little particles in the air
  • Gasses that creates air pollution are produced by human activity such as factories and burning fossil fuels
  • CAUSES:
    • Damage of food crops
    • Heart and respiratory diseases
    • Lung cancer and asthma

 

CUTTING DOWN THE RAINFORESTS

  • MAKING OXYGEN: Green plants are able to transform carbon dioxide into the oxygen thanks to the photosynthesis. If we cut them down, there´s going to be more carbon dioxide in the air which will cause more severe warming of the planet.
  • EXTINCTION OF SPECIES: Destroying rainforests also means destroying home of many diverse species à according to scientist we are now experiencing sixth extinction of animals and plants
  • CATCHING WATER: trees are able to catch water and give it back to the Earth in the form of clouds, which give water to us

 

WATER POLLUTION

  • We are polluting water mainly by chemicals and plastics
  • Scientists say that plastics particles are now even in human bodies
  • Chemicals are destroying the marine life à corals, fish etc.
  • Oil tankers leak the fuel and oil into the water which kills live creatures
  • There´s also o problem with overfishing, for example there´s a risk of tuna extinction

 

OVERPOPULATION

  • With more people there´s more waste and that leads to bigger pollution of soil, water and air
  • In the near future, we will have to solve a lack of fossil fuels and other resources that give us energy

 

ALTERNATIVE ENERGY

  • We can use renewable (obnovitelné) resources that don´t harm our planet, for example wind, water and sun
  • Wind and water power stations (větrné elektrátny), solar panels

 

WHAT CAN WE DO?

  • Separate the waste (třídit odpad)
  • Learn what is recyclable and what is not
  • Use compost
  • Use low energy bulbs
  • Turn off electronic devices when we are not using them
  • Use public transport or a bike instead of the car
  • Go thrift shopping (nakupování v sekáčích)
  • Take just short showers
  • WE SEPARATE THE WASTE  x  THE WASTE IS BEING RECYCLED





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