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8 -march - international women's day

Ecology is a science. Many sciences have such prefix.What does it mean “Eco”?“Eco” means “home" in Latin language. It’s a science about our mutual home – about nature.Science, which teachers us

Слайды и текст этой презентации

Слайд 1Ecological Problems
Pollution and protection of our environment

Ecological ProblemsPollution and protection of our environment

Слайд 2Ecology is a science. Many sciences have such prefix.
What does

it mean “Eco”?

“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.
Environment – is surroundings we live in.

Ecology is a science. Many sciences have such prefix.What does it mean “Eco”?“Eco” means “home

Слайд 3People have always polluted their surroundings. Even in ancient times

people admitted that their health was depending on the state

of surroundings. But only in XX century humanity, in full measure, realized , that many diseases are closely connected with the air and water pollution and inferior products.
People have always polluted their surroundings. Even in ancient times people admitted that their health was depending

Слайд 4Ecological problems
air pollution
water pollution
soil pollution

Ecological problemsair pollution water pollution soil pollution

Слайд 5Air pollution.
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.Air pollution is a very serious problem, because polluted air can cause illness and even death.

Слайд 6

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.

Virtually not only human beings pollute the air but nature itself can cause damage,for example volcanic eruptions.

Слайд 7Water 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.
Water pollutionWater recourses is one of the main factor of existing life in our planet.People use fresh

Слайд 8Soil pollution
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 pollutionThe main component of the Earth biosphere represents topsoil.Soil is polluted by: litter, wastes, heavy metals,

Слайд 9Modern ecological problems
greenhouse effect

Modern ecological problemsgreenhouse effect

Слайд 10acid rains

acid rains

Слайд 11ozon layer

ozon layer

Слайд 12Ways of solving ecological problems
Creation of different kinds of purification

plants;
Recycling.

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

Слайд 13III Using of conservation technologies and rational distribution of industry.
Creation

of purification territorial systems.

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

Слайд 14Look
how beautiful
our planet
can be

Look how beautiful our planet can be

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