25. Global issues

25. GLOBAL ISSUES

• are problems common for all people in the world – there are many problemes all over the world like:

GLOBAL WARMING

• because of GW icebergs are melting, rainforests are dying and farms are turning into deserts

• the planet is becoming warmer because of humans who caused the increase with carbon from cars and factories

• the GREENHOUSE EFFECT and a HOLE IN THE OZON LAYER are related to this topic

  • the GHE: is when the atmosphere gets too hot and air warmed by the Sun gets trapped close to the ground and can’t escape → it‘s caused by carbon

  • a HITOL: lets the strong sunlight through the ozon layer to the Earth which can cause cancer in humans

DEFORESTATION (kácení lesů)

• is dangerous because:

• rainforests produce oxygen which is important for humans

• and they are homes for many plants and animals

• rainforests also help catch water and give it back to the Earth in the form of clouds → which brings us water

POVERTY

• poverty is a worldwide problem especially in African countries

• people living in poverty often commit crimes to get some food for their families which leads to unsafe cities

• poverty also leads to famine and starvation

• poor countries also don’t have a good health care system which leads to population with many diseases

FAMINE (hladomor)

• more than 2 bilion peole suffer from famine and every year many people die because of hunger

• it’s mainly in Africa where are war conflicts and people don’t have enough food because of it

DISEASES

• there are many diseases which threaten us f.ex.: bird flu, plague, malaria and others

• perhaps the biggest threat is virus HIV which causes AIDS

  • there are many people infected and they don’t even know about it because at firts it has quiet symptom

  • HIV is infectious by blood, through sexual contact or by sharing drug needles

NATURAL DISASTERS – earthquakes, floods, tsunami, hurricanes

PROBLEMS OF BIG CITIES – air pollution, high cost of living, traffic and crime

HOW CAN I HELP THE ENVIROMENT?

• there are many ways I can help the environment

• I can use special light bulbs, turn off the Tv o when I’m not paying attention to it → to save electricity

• I can ride my bike or walk instead of taking the car or the bus → to save petrol

• and I can recycle paper, glass, and plastic