environmental pollution
TRANSCRIPT
POLLUTION CONTROL AND DISASTER MANAGEMENT
Environmental Pollution Environmental pollution is any discharge of material or energy into water, land, or air that causes or may cause acute (short-term) or chronic (long-term) detriment to the Earth's ecological balance or that lowers the quality of life.
Types of pollution which affect the environment are:
Air pollution.Water pollutionNoise pollutionSoil pollutionMarine pollutionThermal pollutionRadiation pollution.
AIR POLLUTIONContamination of air by smoke and harmful gases, mainly oxides of carbon, sulfur, and nitrogen.
Basically these gaseous substances tend to interfere with human comfort , welfare and causes environmental damage. Air pollution causes acid rain, ozone depletion, photochemical smog and other such phenomenon.
CAUSES NATURAL CAUSES MAN MADE -CAUSES
CYCLONESVOLCANIC
ERUPTIONSEARTH QUAKES
INDUSTRIAL WASTE
AUTOMOBILESTHERMAL POWER
STATION NUCLEAR
EXPLOSIONSNUCLEAR POWER
PLANTSAGRICULTURAL
ACTIVITIESDISPOSAL OF
GARBAGE.
EFFECTS
PLANTS• Affects the movement of the stomata• Photosynthesis• Growth of the plant.• Too much exposure to sulphur dioxide
causes bleaching of the leaf pigment.• High concentration of carbon
monoxide leads to premature falling of leaves, curling, etc.
CLIMATE
GREEN HOUSE EFFECT GLOBAL WARMINGACID RAINDEPLETION OF OZONE LAYER.
CONTROLPUBLIC AWARENESSINDUSTRIAL GASES SHOULD BE TREATED BEFORE DISCHARGE IN THE ATMOSPHERE
USE OF ENVIRONMENTAL FRIENDLY FUELS, SUCH AS GOBAR GAS, LPG, NATURAL GAS,ETC
RAISING OF GREEN BELTS SHOULD BE PROMOTED.
WATER POLLUTION• THE CONTAMINATION OF WATER WITH UNDESIRABLE SUBSTANCES WHICH MAKE IT UNFIT FOR USAGE IS TERMED AS WATER POLLUTION.
CAUSESNATURAL CAUSES MAN MADE CAUSES
SOIL EROSION DEPOSITION OF
DEAD AND DECAYING REMAINS OF PLANTS AND ANIMALS.
HIGH SPEED WINDS
FLOODS.
SEWAGE DISPOSAL INDUSTRIAL
WASTEAGRICULTURAL
WASTEHUMAN ACTIVITIESCUSTOMS AND
TRADITIONS.OIL SPILLS
Littering & Dumping
Fertilizers, Pesticides & herbicides
Seepage from landfills
Oil Spills
Sewage
(non-biodegradable)
Water PollutionEutrophicati
onEndangering Species
Negative Effects on Health
Cleaning up the Oil Spill!
EFFECTS
HUMAN HEALTHCAUSES VARIOUS DISEASES TO THE
CENTRAL NERVOUS SYSTEMCAUSES DAMAGE TO LIVER , BRAIN
AND KIDNEY. IT CAUSES VARIOUS DISEASES LIKE
DIARRHOEA, ABDOMINAL PAINS, SKIN RASH, JAUNDICE, FEVER, ENLARGED LIVER,ETC.
TO AN EXTENT IT MAY ALSO CAUSE DEATH.
PLANTS EXCESSIVE USE OF FERTILIZERS ON
CROPS MAY CAUSE SOME AMOUNT TO BE RETAINED IN THE SOIL WHICH IS WASHED AWAY DURING RAINS AND REACHES THE NEAREST WATER BODY.
EXCESS AMOUNT OF NITRATE PRESENT IN WATER CAUSES THE GROWTH OF UNWANTED PLANTS.
CAUSES EUTROPHICATION.UNWANTED PLANTS REDUCE THE OXYGEN
SUPPLY TO OTHER AQUATIC PLANTS. POLLUTED WATER ALSO CONTAINS HIGH
CONCENTRATION OF METALS WHICH MAY BE TOXIC FOR PLANTS AND HAMPERS THEIR GROWTH.
ANIMALSAQUATIC ANIMALS ARE DIRECTLY
AFFECTED BY WATER POLLUTION.
THE HARMFUL CHEMICALS MAKES THE SURVIVAL OF THE AQUATIC ANIMALS VERY DIFFICULT.
DUE TO THIS A LARGE NUMBER OF AQUATIC SPECIES HAVE BECOME EXTINCT.
DRINKING POLLUTED WATER COULD BE VERY POISONIOUS AND MAY CAUSE SEVER DISEASES AND ALSO DEATH.
CONTROL INDUSTRIAL WASTE SHOULD BE
TREATED IN ORDER TO REDUCE TOXICITY.
NON BIODEGRADABLE WASTE MATERIAL SHOULD NOT BE DUMPED.
HUMAN ACTIVITIES SUCH BATHING, WASHING IN RIVERS, THROWING CARCASSES AND IMMERSING IDOLS SHOULD BE STOPPED.
PUBLIC AWARNESS.
THANK YOU
LATIKA PARMAR