Environmental effects

ENVIRONMENTAL EFFECTS

POLLUTION (WATER, AIR)

Pollution or contaminaion – the release of substance, preparations, organisms or their mixtures into the environment, the consequences of whiich negatively affect the quality of human life or ecosystems.

WATER POLUTION

WATER

• The most common compound on earth. The Earth‘s water envelope – the hydrosphere – makes up 71% of the Earth‘s surface.

Water cycle:

• As the sun heats up, water evaporates from various bodies of water.
• The vapor condenses and turns into clouds.
• The cooled vapor pours out as rain or falls as hail,snow.
• Precipitations is absorbed into the gound and returns to the sea via rivers.

Water pollution

Types of pollution

Biological pollution (infected organisms, eggs of parasitic worms)

Chemical - inorganic pollutants (salts, heavy metals), organic pollutants (pesticides, carbohydrates, etc.)

Physical pollution (noise, vibration, electromagnetic vibrations, factories, human activity, industry, etc.)

Consequences of pollution

• Deteriorated people‘s health and decreasing average age of the population.
• Increasing epidemic risk of disease outbreaks.
• Some species of fauna nd flora become impoverished or disappear in the water.

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