Published on: Mar 4, 2016
Transcripts - Pollution contaminación
WHAT IS POLLUTION? This is an undesirable change in the characteristics physical, chemical or biological of air, water or soil which may adversely affect the health, survival of man and other living organisms.
WHAT IS A POLLUTANT? It is a substance or energy present in a concentration greater than the natural as a result of human activity that has detrimental effect on the environment. The majority of pollutants are chemical substances : solid, liquid and gaseous
TYPES OF POLLUTANTS BY NATURE:• Physical contaminants (radiation, noise and heat)• Chemical contaminants (VOCs)• Biological contaminants (the majority are microorganisms) BY DEGRADATION:• Degradable Pollutants: (Substances that can be degraded by microorganisms).• Nondegradable Pollutants BY PROVENANCE: Primary pollutants secondary pollutants
SOURCES OF POLLUTION Naturals Anthropogenics• Point Sources• Nonpoint source
TYPES OF POLLUTION WATER POLLUTION AIR POLLUTION SOIL POLLUTION NOISE POLLUTION RADIOACTIVE POLLUTION THERMAL POLLUTION LIGHT POLLUTION VISUAL POLLUTION
EFFECTS OF POLLUTION: Damage to human health Damage to the plant and animal life Aches and deterioration Damage to property