Causes of water scarcity

Causes of

Water scarcity Ben Gamra Meryem 1 1DNUA

Higher Institute of Environmental Technologies of Urbanism and Building

CONTENTS :

Introduction What is water scarcity ?

What are the main causes of water scarcity ?

SURFACE

WATER 71%

LIQUID FRESHWATER

SALT WATER 97% FROZEN FRESHWATER 2% LIQUID FRESHWATER 1%

UNDERGROUND

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?

What is water scarcity ?

Water scarcity is the lack of fresh water resources to meet water demand.

What are the main causes of water scarcity ?

Nature

Human

Economy

Politics

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What are the main causes of water scarcity ?

Buried lake

Urban/density

Floods

Pollution

2 million tons of waste are dumped in water sources.

Leakages in the water network.

Mexico : ½ of drinking water is lost.

Critical infrastructure 5

What are the main causes of water scarcity ?

Less rain

Less snow

Elevation of temperature Drought INDIA

TODAY

Water level in 1983

With less than 45 per cent rain, drought looms over Bihar.

1 AUGUST, 2019

I

SANJAY NIRALA

Less river 6

What are the main causes of water scarcity ?

B B C news Are India and Pakistan set for water wars ?

1 DECEMBER, 2016

I

NAVIN SINGH KHADKA

Gouvernmental access In dictatorships, the use of water may be strictly controlled by those in power.

Conflict If there is conflict over an area of land, it may be difficult to access the water that is located there.

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What are the main causes of water scarcity ?

Bad consumption

700 million people have no access to clean water.

Distance

Bad distribution One person uses more than 100 liters per day.

Population growth

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USE LESS. SAVE MORE. ADVOCATE ALWAYS.

THANK YOU

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