THE ENVIRONMENTAL POLLUTION. There aren’t any substances that are polluting for what they are, but it’s the way we use them to make them polluting: pollution.

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Presentation transcript:

THE ENVIRONMENTAL POLLUTION

There aren’t any substances that are polluting for what they are, but it’s the way we use them to make them polluting: pollution is everything that can be harmful to health and to life or that can change a lot physical and environmental characteristics of water, earth and air. DEFINITION

THE TYPE OF POLLUTION Air pollutionIndustrial pollution

Soil pollutionAcoustic pollution

Light pollution Thermal pollution

Radioactive pollution Domestic pollution

Architectural pollution Urban pollution

Agricultural pollution Water pollution

ACUTE TOXICITY - Low-toxic - Moderately - Super toxic

CHRONIC TOXICITY - Carcinogenic - Teratogenic - Mutagenic

THE CARCINOGENESIS The carcinogenesis is a process that leads to the formation of cancer. It can be caused by chemical, physical or biological events. Cancer is a group of pathologies characterized by an uncontrolled growth of atypical cells. These cells produce a cell population that can reproduce themselves quickly, that are very strong and that can go also in near and far tissues.

TWO TYPES OF CARCINOGENIC -Direct carcinogenic - Indirect carcinogenic

THREE PHASES -INITIATION -PROMOTION -PROGRESSION

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