Water Security Defined
"the capacity of a populatin to ensure that they continue to have access to potable water."
United Nations Environment Programme (UNEP):
"...water security represents a unifying element supplying humanity with drinking water, hygiene and sanitation, food and fish, industrial resources, enery, transportation and natural amenities, all dependant upon maintaining ecosystem health and productivity."
The Global Hydrological (Water) Cycle
Why should we worry about Water Security when the world has been plagued with extreme weather events that have seen record flooding and devastation at record levels?
Climate change contributes to the instability of the weather and many factors to do with water and how it cycles through the earths hydrological system effect the amount of water that falls to the ground as precipitation (rain), where, when and how much. In some cases, a regions rainfall for the entire year may be visited upon them in the space of a few short days. The consequences of which can cause a devastating blow to agricultural crops and indeed wash them and the precious topsoil the grow in out to sea. read more...
The hidden climate change message is that all the cycles on earth are related and impact each-other in many ways, some that are invisible to the eye are harder than others to pinpoint. Earths Ecosystems have functioned for millions of years and is responsible for the environment that exists today providing the unique conditions that have been responsible for life as we know it. One component is the atmosphere of which the closest layer to the earth the Troposphere occurs from ground level to 8-12 Km above the earth and is where most of our weather is generated. Water held on land surfaces and from the oceans evaporates into the atmosphere, while in the air it insulates the surface from extreme shifts in temperature were it not there. Clouds are formed as water in the atmosphere collects forming rain-droplets that eventually fall back to the earth either on land or into the sea. Rain that falls out to sea rejoins the hydrological cycle. As snow or rain, water either becomes part of the largest storage of fresh water on the surface as polar ice and when the seasons change some of this water is released into streams and rivers. Land that receives rainfall soaks up the water as it travels over, under and through the layers of soil recharging water tables and aquifers gradually returning to the ocean.
1 Tomato - 13 litres
1 Potato - 25 litres
1 Cup of Tea - 35 litres
1 Apple - 70 litres
1 Glass of Beer - 75 litres
1 Glass of Wine - 120 litres
1 Cup of Coffee - 140 litres
1 Glass of Orange Juice - 170 litres
1 Glass of Milk - 200 litres
1 Hamburger - 2400 litres
1 Kilogram of Beef - 16000 litres
There are so many initiatives to do with water conservation and embracing as many of them as you can is a great start. Being aware of the hidden water that exists in every day items like clothing and materials, water in the millions of tonnes of wasted food that is sent to land fill each year in Australia alone. Time is running out to protect one of our most important resources vital for life as we know it. Conserve ecological systems, reduce wastage and build awareness of true environmental issues. iSustainable is currently researching and developing products and environmental services to provide alternatives to the water hungry products. We can all make a difference to the quality of life for mankind and the other creatures that share the planet.
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