Environment and its Components
Pollution, its Kinds and Pollutants
Why Protection ?
Environment is the entire ecosystem
of a place in which living beings and
non living things co-exist.
Environmental Pollution is any undesirable change in
the physical chemical or biological characteristics of air,
water and soil that may harmfully affect the life or create
a potential health hazard to any living organism.
Kinds of Pollution
• Air Pollution
• Water Pouultion
• Land Pollution
Soot, Smoke, Tar, Grit etc.
Gases: Oxides of Nitrogen, Carbon monoxide, Sulphur etc.
Metals: Lead, Mercury, Zinc, Iron, Nickel etc.
Agro Chemicals: Pesticides, Herbicides, Bactericides etc.
Solid Wastes: Plastics, Polythene, Glasses etc.
Noise: Industries, Vehicular, Domestic etc.
Radioactive Wastes: Atomic Energy Waste.
Radiation Pollution: Nuclear Energy Recourses, Mobiles etc.
Pollution destroys all the components of
environment that sustain life on earth.
Soil, we cultivate
Water, we drink
Food, we eat
AIR POLLUTION SOURCES
Thermal Power Stations
Industry Chimney Wastes
Effects: Respiratory infections, Lung diseases, Skin allergies,
Anxiety, Irritation to eyes, nose & throat.
Vehicular Emission: CNG, Fuel feeding, Catalytic filters,
Motor Vehicles act.
Ind. Pollution: Technologies to check and destroy particles
released by industrial plants
Noise Pollution: By planting more trees to reduce sound levels,
Nuisance check squads, silencing devices etc.
Biological: Domestic wastes, Solid wastes,
Ind. Wastes and Effluents: Heat and Radio Active Substances
from thermal power plants.
Agricultural Discharges: Fertilizers and Pesticides through rain
and irrigation via drainage pattern
Diseases like Flurosis, Cholera, Diarrhoea,
Recycling of sewage water and treatment of water before
discharging into water bodies.
Reducing the waste input
Re-utilization of waste
Removal of Pollutants using technologies.
Agricultural and forestry
Effects: Depletion of fertile top soil, Extinction of flora etc.
Self Restrain: Judicious exploitation and use of natural resources
Education & Legally
Life Styles and Attitudes: Green thinking, Waste not want not.
Enforcement of Various Acts: Water and Air Prevention and
control act1974 and 1987,
Environ. Protection act 1986
“NATURE HAS EVERY THING FOR EVERY BODY’S
NEED, BUT NOT ENOUGH FOR ONE MAN’S GREED”