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There is the same amount of water on Earth today as there has always been. The water keeps moving around in an endless cycle called the water cycle.THE WATER CYCLE: THE WATER CYCLE Water evaporates from oceans, rivers and lakes (water in its liquid form) and rises into the atmosphere (water in its gas form) where it condenses to form clouds. Precipitation then falls to the earth in the form of rain (water in its liquid) or snow (water in its solid form) where it flows into oceans, rivers and lakes and the process begins againPowerPoint Presentation: Precipitation Moisture over land Evapotranspiration Infiltration Moisture over land Evaporation from ocean Evaporation Evaporation Soil MoistureAmount of fresh water in the world …: Amount of fresh water in the world … Of all the water on Earth, only a small amount is available for us to use. It's true! 96.5% of the Earth's water supply is salt water. Only 2.8% is fresh water! That 2.8% is divided like this: 0.76% is groundwater (we can use some of this water) 0.0132% is in lakes and streams (we can use some of this water) 1.74% is in glaciers and icecaps 0.001% is water vaporPollution of water : Pollution of water DOMESTIC POLLUTION Safe water supply Sanitation – open defecation Drainage Solid waste disposal AGRICULTURE POLLUTION Pesticides Fertilisers Over extraction of ground waterPowerPoint Presentation: INDUSTRIAL POLLUTION Chemicals Untreated water Ground water contaminationWater and health : Water and health The body is comprised of 75%of water. We cannot live without water for more than 24 hours. 1.8 million people die from diarrhoeal death where 90% are children. 88% is attributed to unsafe water supply, inadequate sanitation and hygiene.How water is linked to health: How water is linked to health Drinking dirty water leads to ill health. Unclean water sources like latrines near hand pumps or taps can contaminate the water from the ground. Not washing hands before eating.PowerPoint Presentation: Leaving drinking water containers uncovered. Household wastes near homes leading to breeding ground for flies. No proper drainage near homes – stagnant water where mosquitoes breed.How to avoid health problems …: How to avoid health problems … Protect all drinking water sources Drink water from only protected water sources Wash hands after going to the toilet Use toilets – don’t openly defecate Wash hands before eating Wash vegetables well before cooking Cover all foodPersonal hygiene : Personal hygiene Have bath daily Comb hair daily Brush teeth daily twice Cut your nails Wash hands with soap after going to toilet Wash hands before eating Wear clean clothesSanitation : Sanitation Don’t defecate in the open Always wash yourself Use toilets where they are Don’t defecate near water sources Dispose of your waste in a responsible manner Reuse your bathing waterEnvironment : Environment Don’t throw your household waste near drinking water sources Clean your house and surroundings daily Don’t throw paper, plastic, households wastes into open drains that run through the street Throw litter into a bin and dispose of it properly Don’t cut down trees but grow more plants See that the drains are not blockedPowerPoint Presentation: Do you know …..PowerPoint Presentation: In 1955, an Indian citizen had 5000 cubic meters of water at her disposal. Today she has less than 1500 and it will get lesser in the future. More than 1 billion people in the world have no access to improved water sources and nearly 2/3 live in Asia.PowerPoint Presentation: Why do you think so ….. Because there is not enough water left for everyone….. So we must try to conserve water and harvest rain whenever we canUsing water wisely: Using water wisely Lifestyle choices, population growth and climate change are placing increasing demands on our water supplies. It's important that we do not take this precious resource for granted and that we all use water wisely to ensure that there is enough for everyone in years to come.PowerPoint Presentation: Saving water starts with youPowerPoint Presentation: Check your water meter and track your bills Wash fruits, vegetables in a pan of water rather than running water Collect the water you use for rinsing produce and reuse it to water houseplants.PowerPoint Presentation: Time your shower to keep it under 5 minutes. You'll save up to 4000 ltrs a month. When you give your pet fresh water, don't throw the old water down the drain. Use it to water your trees or shrubs. When you are washing your hands, don't let the water run while you lather.PowerPoint Presentation: Turn off the water while you soap and shampoo yourself. You can save more than 200 ltrs a week. Check all taps and pipes for leakages. A dripping tap can waste 140 liters a week. Turn off the water while you brush your teeth and wash your face. Keep water in a mug. You waste 6 liters a minutes with running water.PowerPoint Presentation: Do one thing every day that will save water. REMEMBER – every drop countsDo you know how much water it takes to …: Do you know how much water it takes to … Bath 50 lts Brushing teeth with tap running 6 lts per min Brushing teeth with water from mug 1 lt Dripping tap 140 lts per week Washing machines 65 ltsPowerPoint Presentation: Why do we need to harvest rainwater?PowerPoint Presentation: The ultimate source of water that we utilise in our daily life is from the monsoons. The rain used to fall on the ground and slowly seep inside till the underground storages were filled up. But today, there are more building and roads and less water is being able to seep inside.PowerPoint Presentation: At the same time, people are drawing out more and more water from the underground storages. The result being that there is less and less water for us to use.PowerPoint Presentation: Our duty is to see that we can get enough water to use and also have some left for the future.PowerPoint Presentation: You can do something to save the environment Save Water : Reduce the demands on scarce and ground water sources. Stored water can be used in non monsoon months.PowerPoint Presentation: Reduces erosion and storm water run-off Saves natural resource presently wasted Prevents ground water depletionPowerPoint Presentation: Supports water conservation & self-dependence Stores water that would otherwise lead to flooding.PowerPoint Presentation: How do we harvest rain? Simple ….PowerPoint Presentation: Catch it in anything that holds waters. Once you have a container, simply put a tank/drum beneath where the rainwater runs off your roof and you have started harvesting.PowerPoint Presentation: PrecipitationMethods of saving water: Methods of saving water Rain water harvesting in Chennai and BangaloreEnvironmental cleanliness: Environmental cleanliness We depend on nature for life. We need to protect nature or else we get fucked up Nature fucked up – we pretty big fuck upSolid waste management : Solid waste management Separate solid wet and solid dry (organic and ….. Wastes) into different containers Dig a pit and put organic wastes in to it with a layer of soil – can be used for compost Don’t burn plastic or bury it Recycle paper, plastic, metal, glassWhat schools can do …: What schools can do … Form committees for drinking water and sanitation These committees will be in charge of the school and see that the drinking water areas and toilets are maintained well. Ensure that the school practices water conservation and water harvesting Have exhibitions in their own schools for the neighbourhoodPowerPoint Presentation: MAKING PONDICHERRY WATER FRIENDLY You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.