Что такое findslide.org?

FindSlide.org - это сайт презентаций, докладов, шаблонов в формате PowerPoint.


Для правообладателей

Обратная связь

Email: Нажмите что бы посмотреть 

Яндекс.Метрика

Презентация на тему Ecological Problems. Natural disasters

Natural disasters
Ecological Problems. Natural disasters Natural disasters “Eco” means “home Environment – is surroundings we live in. Ecological problemsAir pollutionWater pollution Ecological problemsSoil pollutionFamine Air pollution is a very serious problem, because polluted air can cause Virtually not only human beings pollute the air but nature itself can Water pollutionWater recourses is one of the main factor of existing life The main component of the Earth biosphere represents topsoil. Soil is polluted Modern ecological problemsGreenhouse effect Acid rains Ozon layer Global warming Ways of solving ecological problemsCreation of different kinds of purification plants;Recycling. III.  Using of conservation technologies and rational distribution of industry.Creation of purification territorial systems. Look how beautiful  our planet can be! Prepared  Pupil 10-A class  Sarny Lyceum
Слайды презентации

Слайд 2 Natural disasters

Natural disasters

Слайд 3 “Eco” means “home" in Latin language. It’s a

“Eco” means “home

science about our mutual home – about nature.
Science, which

teachers us to treat very carefully to our homeland.

What does it mean “Eco”?


Слайд 4 Environment – is surroundings we live in.

Environment – is surroundings we live in.

Слайд 5 Ecological problems
Air pollution
Water pollution

Ecological problemsAir pollutionWater pollution

Слайд 6 Ecological problems
Soil pollution
Famine

Ecological problemsSoil pollutionFamine

Слайд 7 Air pollution is a very serious problem, because

Air pollution is a very serious problem, because polluted air can

polluted air can cause illness and even death. Every

year world industry pollutes the atmosphere with about 1500 million tons of dust and other harmful substances. Many cities suffer from smog, the oxygen balance upsets. Cars are polluting the air by exhaust gases and other dangerous chemicals.

Air pollution


Слайд 8 Virtually not only human beings pollute the air

Virtually not only human beings pollute the air but nature itself

but nature itself can cause damage,for example volcanic eruptions.

But the consequences after volcanic eruptions aren’t so harmful as human beings , in contrast to human activities, these processes are always reversible – thought after a while the atmosphere will recover in former structure.

Слайд 9 Water pollution
Water recourses is one of the main

Water pollutionWater recourses is one of the main factor of existing

factor of existing life in our planet.
People use fresh

water for their needs. It is more than 2% of hydrosphere volume.
First of all water pollution is the result of industrial, agricultural and everyday necessities discharge of wastes into rivers, lakes and seas.
The main part of water pollution plays a large number of oil industry wastes.

Слайд 10 The main component of the Earth biosphere represents

The main component of the Earth biosphere represents topsoil. Soil is

topsoil. Soil is polluted by: litter, wastes, heavy metals, pesticides,

radioactive elements. Sinking aerosol may contain heavy poisonous metals and it may lead to plants’ ruin.

Soil pollution


Слайд 11 Modern ecological problems
Greenhouse effect

Modern ecological problemsGreenhouse effect

Слайд 12 Acid rains

Acid rains

Слайд 13 Ozon layer

Ozon layer

Слайд 14 Global warming

Global warming

Слайд 15 Ways of solving ecological problems
Creation of different kinds

Ways of solving ecological problemsCreation of different kinds of purification plants;Recycling.

of purification plants;
Recycling.


Слайд 16 III. Using of conservation technologies and rational

III. Using of conservation technologies and rational distribution of industry.Creation of purification territorial systems.

distribution of industry.
Creation of purification territorial systems.


Слайд 17 Look how beautiful our planet can be!

Look how beautiful our planet can be!

  • Имя файла: ecological-problems-natural-disasters.pptx
  • Количество просмотров: 242
  • Количество скачиваний: 4