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Презентация на тему Ecological Problems

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 teaches us to treat very carefully to
Ecological ProblemsPollution and protection of our environment Ecology is a science. Many sciences have such prefix.What does it mean People have always polluted their surroundings. Even in ancient times people admitted Ecological problemsair pollution water pollution soil pollution Air pollution.Air pollution is a very serious problem, because polluted air can Virtually not only human beings pollute the air but nature itself can Water pollutionWater resources is one of the main factor of existing life Soil pollutionThe main component of the Earth biosphere represents topsoil.Soil is polluted Modern ecological problemsgreenhouse effect acid rains ozon layer 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
Слайды презентации

Слайд 2 Ecology is a science. Many sciences have such

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

prefix.
What does it mean “Eco”?

“Eco” means “home" in Latin

language. It’s a science about our mutual home – about nature.
Science, which teaches us to treat very carefully to our homeland.
Environment – is surroundings we live in.


Слайд 3 People have always polluted their surroundings. Even in

People have always polluted their surroundings. Even in ancient times people

ancient times people admitted that their health was depending

on the state of surroundings. But only in the XX century humanity, in full measure, realized , that many diseases are closely connected with the air and water pollution and inferior products.

Слайд 4 Ecological problems
air pollution
water pollution
soil pollution

Ecological problemsair pollution water pollution soil pollution

Слайд 5 Air pollution.
Air pollution is a very serious problem,

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

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.

Слайд 6

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 7 Water pollution
Water resources is one of the main

Water pollutionWater resources 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 8 Soil pollution
The main component of the Earth biosphere

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

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.


Слайд 9 Modern ecological problems
greenhouse effect

Modern ecological problemsgreenhouse effect

Слайд 10 acid rains

acid rains

Слайд 11 ozon layer

ozon layer

Слайд 12 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 13 III Using of conservation technologies and rational distribution

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

of industry.
Creation of purification territorial systems.


Слайд 14 Look
how beautiful
our planet
can be

Look how beautiful our planet can be

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