Environmental Environmental protectionprotection

Gabriela Kalčíková Gabriela Kalčíková Lucie WinklerováLucie Winklerová

Pollution is the biggest Pollution is the biggest problem in large cities and problem in large cities and in areas with concentrated in areas with concentrated industrial production.industrial production.

Another problems are:Another problems are: cutting rainforestscutting rainforests need of energyneed of energy acid rainacid rain killing animalskilling animals

Cutting rainforestsCutting rainforests Before 1900,rainforests covered 14% of th Before 1900,rainforests covered 14% of th e e

world‘sworld‘s surface surface Today they cover 7% of the world‘s surfaceToday they cover 7% of the world‘s surface Every rainforest also contains millions of Every rainforest also contains millions of

animals, insects and flowersanimals, insects and flowers If man continues to cut down rainforests, If man continues to cut down rainforests,

more than one million species of plants anmore than one million species of plants and d animals will be animals will be come extinct by the year come extinct by the year 20302030

Need of EnergyNeed of Energy 94% of the world energie comes from 94% of the world energie comes from

fossil fuelsfossil fuels There‘s enough coal for the next 300 There‘s enough coal for the next 300

years,but only enough gas and oil for years,but only enough gas and oil for next 50next 50

Other way is nuclear energyOther way is nuclear energy There are four „Green“ solutions:There are four „Green“ solutions:

wind, solar, wave, geothermal energywind, solar, wave, geothermal energy

Acid rainAcid rain One of World most serious pollution One of World most serious pollution

problems is acid rain.problems is acid rain. Our civilization uses many factories and Our civilization uses many factories and

cars, which product smoke,dust and cars, which product smoke,dust and exhausts.exhausts.

These substances contain SOThese substances contain SO22, NO, NOxx

These adducts mix with water vapour in These adducts mix with water vapour in atmosphere and form Hatmosphere and form H22SOSO4 4 and HNOand HNO33

Sunlight turns these acids Sunlight turns these acids into into poisonous poisonous oxidants witch oxidants witch fall in the form of acid rain or fall in the form of acid rain or snowsnow

Killing animalsKilling animals Animals are part of the environment, too Animals are part of the environment, too Most of animals die because of peopleMost of animals die because of people Why do they die?Why do they die? - treated cruelly by man- treated cruelly by man - scientific research- scientific research - kill for sport or for fur or skin- kill for sport or for fur or skin Fortunately exist groups like Fortunately exist groups like

„Greenpeace“, who have already helped „Greenpeace“, who have already helped to stop furhunting to stop furhunting

Vocabulary:Vocabulary:pprovide rovide = poskytnout= poskytnout

extinct = vyhynoutextinct = vyhynout

eexhaust = vxhaust = výfukové plynyýfukové plyny

vapour vapour == pára pára

because ofbecause of = = kvůli (3.pád) kvůli (3.pád)

treated cruelly treated cruelly == kruté zacházení kruté zacházení

fur fur == srst srst

Thank´s for your Thank´s for your attentionattention