HUMAN IMPACT ON ENVIRONMENT презентация

HUMAN IMPACT ON ENVIRONMENT

Слайд 1HUMAN IMPACT ON ENVIRONMENT


Слайд 2HUMAN IMPACT ON ENVIRONMENT


Слайд 3WHAT DOES HUMAN IMPACT MEAN???


Слайд 4
The adverse effects caused by
development,
 industrial,
 or by the release of a

substances in the environment
or by any other human activity…

AND HUMAN IMPACT ON ENVIRONMENT MEANS


Слайд 5HUMAN IMPACT ON ENVIRONMENT FACTORS:
Factors contributing to ENVIRONMENTAL LOSS are:
DEFORESTATION,
OVER-POPULATION,


WASTE,
POLLUTION,
OVERUSE/WASTAGE OF NATURAL RESOURCES,
ENERGY INDUSTRY etc....

Слайд 6DEFORESTATION


Слайд 7DEFORESTATION
Deforestation is the removal of a forest where the land is

thereafter converted to a non-forest use.
Deforestation occurs for many reasons:
used or sold as fuel,
used as pasture for livestock,
plantations of commodities,
Settlements etc..

Слайд 8OVER-POPULATION
Human overpopulation occurs if the number of people in a group

exceeds the carrying capacity of a region occupied by that group.


Слайд 9IMPACT OF OVER-POPULATION


Слайд 10WASTE
Waste and wastes are terms for unwanted materials.
Examples include
municipal solid

waste (household trash/refuse),
hazardous waste,
wastewater (such as sewage, which contains bodily wastes,or surface runoff),
radioactive waste, and others.

Слайд 11Agricultural waste
Industrial waste
Domestic waste


Слайд 12POLLUTION
Pollution- adding harmful substances or products into the environment
The use

of fossil fuels is the major cause of pollution

Слайд 13Air Pollution


Слайд 14Water Pollution


Слайд 15Land Pollution


Слайд 16ENERGY INDUSTRY

Biodiesel
Coal mining and burning
Electricity generation
Nuclear power
Oil shale industry
Petroleum
Reservoirs
Wind power

The environmental

impact of energy harvesting and consumption is diverse.

Слайд 18OVERUSE OF NATURAL RESOURCES
the depletion of natural resources has become

a major focus of governments and organizations such as the United Nations.
The depletion is caused by
Mining,
petroleum extraction,
Fishing,
Forestry etc..

Слайд 19AND NOT FOR


Слайд 20NEED OF CONSERVATION
Conservation biology is the scientific study of the nature

and status of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction.
Habitat conservation is a land management practice that seeks to conserve, protect and restore, habitat areas for wild plants and animals, especially conservation reliant species, and prevent their extinction, fragmentation or reduction in range.

Слайд 22THANK YOU


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