X Код для використання на сайті:
Ширина px

Скопіюйте цей код і вставте його на свій сайт

X Для завантаження презентації, скористайтесь соціальною кнопкою для рекомендації сервісу SvitPPT Завантажити собі цю презентацію

Презентація на тему:
"Ecological Problems. Natural disasters"

Завантажити презентацію

"Ecological Problems. Natural disasters"

Завантажити презентацію

Презентація по слайдам:

Слайд 1

Ecological Problems. Natural disasters

Слайд 2

Natural disasters

Слайд 3

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

Слайд 5

Ecological problems Air pollution Water pollution

Слайд 6

Ecological problems Soil pollution Famine

Слайд 7

Air pollution is a very serious problem, because 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 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 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 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

Слайд 12

Acid rains

Слайд 13

Ozon layer

Слайд 14

Global warming

Слайд 15

Ways of solving ecological problems Creation of different kinds of purification plants; Recycling.

Слайд 16

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

Слайд 17

Look how beautiful our planet can be!

Слайд 18

Слайд 19

Слайд 20

Prepared Pupil 10-A class Sarny Lyceum "Leader“ Zhuchenya Kateryna

Завантажити презентацію

Презентації по предмету Англійська мова