Published on March 12, 2014
Sustainable Management Of Fresh Water Resources By 9th e
Water: A Special Issue Water Is life • The amount of moisture on Earth has not changed. The water the dinosaurs drank millions of years ago is the same water that falls as rain today. But will there be enough for a more crowded world?
Water: A Special Issue Sacred Waters • From the droplets in a baptismal font to the scattering of ashes on a holy river, water blesses our lives.
Water: A Special Issue the big melt • Glaciers in the high heart of Asia feed its greatest rivers, lifelines for two billion people. Now the ice and snow are diminishing.
Water: A Special Issue The Pipe Dreams • A heroic system of dams, pumps, and canals can’t stave off a water crisis.
Importance Of Water Functions in our body- • It regulates the temperature of the human body, • carries nutrients and oxygen to cells, • cushions joints, • protects organs and tissues, • helps in digestion, • lubricates joints & • removes waste.
Importance Of Water composition in our body • 60% - 75% of the adult human body is water, • 82% of blood is water, • 70% of the brain and 90% of the lungs are made up of water, • Blood in animals and sap in plants is composed mainly of water.
Water Depletion • Water depletion is the decrease in the amount of potable water • the term “potable” means usable water
Water Depletion When Neil Armstrong saw the Earth from the Moon, it appeared blue! This is because water covers more than two-thirds of the Earth's surface. But fresh water represents less than 0.5% of the total water on Earth. Seas and oceans account for 97% of all water on Earth; but their waters contain dissolved salts and are therefore unfit to drink. The remaining 2.5% is locked up in icecaps or the soil, which is why one often hears of water scarcity in many areas.
Reasons For Water Depletion • Worldwide, the consumption of water is doubling every 20 years- • Increase in population. • To satisfy the needs of increasing population, i.e. Industrialization, Urbanization and Agricultural demands. • Deforestation. • Inadequate government policies.
Understanding Water Issues Global • it’s estimated that by 2050, the earth may not have a single source of fresh-water. • The Burden of Thirst • If the millions of women who haul water long distances had a faucet by their door, whole societies could be transformed.
Understanding Water Issues India • In the list of 122 countries rated on quality of portable water, India ranks a lowly 120. • It is estimated that by 2020, India will become a water-stressed nation. Nearly 50% of villages still don’t have any source of protected drinking water. • WOMEN have to travel many miles to fetch a bit of fresh water for the daily needs. • 37.7 million People –over 75% of whom are children are afflicted by waterborne diseases every year.
Understanding Water Issues India • Often babies die of dehydration and there are major fights in villages for freshwater. • Yet it is the poor who pay a heavier price spending around Rs 6700 crore annually on treatment of waterborne diseases.
Water Facts • Today, 1 child dies every 21 seconds due to a water-related disease. • 780 million people lack access to clean water….(almost 2 ½ more than the united states population) • More people have a mobile phone than a toilet. • An American taking a five-minute shower uses more water than the average person in a developing country slum uses for an entire day.
Water Facts • It is estimated that nearly 10% of the global disease burden could be reduced through improved water supply, sanitation, hygiene, and water resource management. • People living in informal settlements (i.e. slums) often pay 5-10 times more per liter of water than wealthy people living in the same city.
Water Facts • A clip on the earth’s water WaterFacts -YouTube.mp4
Small Steps Immense Impacts In Home- • Get your taps repaired. • Don't use the toilet as an ashtray or wastebasket. • Replacing an 18 liter per flush toilet with an ultra-low volume (ULV) 6 litre flush model represents a 70% savings in water flushed. • Take shorter showers. • Use your dishwasher and clothes washer for only full loads.
Small Steps Immense Impacts In the Yard & Garden • Plant drought-resistant lawns, shrubs and plants. • Put a layer of mulch around trees and plants. • Water your lawn only when it needs it, i.e., don’t water it too frequently. • Water during the early or late parts of the day. • Don't run the hose/pipe while washing your car.
Ways to Make Water Potable Physical Chemical By using tap filters By UV Rays By chemical disinfection By boiling
Thank You!!! • Shreya Doshi • Rachit Manshani • Vaibhav Srivastava • Divyam Sharma ((9Th E))
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