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My Name is Angela Morelli and I graduated last year at Central St. Martins in London with an MA in communication design.

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I specialize in information design and my last self-initiated project is called the global water-footprint of humanity.

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And .. The aim of the project was to visualize and make tangible the human impact on our fresh water environment.

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Four years ago I read a sentence said by the vise president of the World Bank, Ismail Serageldin: "If the wars of this century were fought over oil, the wars of the next century will be fought over water."

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These words just like drugged me into the reality  of the water crisis, so I decided to deal with the water crisis for my last self-initiated project, and I focused on one question:

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How much water do we use, and how we use it. And the answer to the question is called the water-footprint, which is an indicator based on research carried out by UNESCO and the University of Twente in the Netherlends.

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And I contacted the research because I had to gather all the data. And my idea was to create a piece of information design that could allow people to understand how we use water. Allow people to make comparisons and contrasts among countries. And to probably become a more responsible user.

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I'm quite lucky because I have a degree in  engineering, so I'm not very scared of numbers. And I had actually hundreds of numbers, and I wanted to choose a consistent visual sign, so I decided to visualize the cubic metres and the liters using the mathematical formula of a sphere.

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So I converted ... I transformed all the numbers, so all the liters, into spheres that contain that number of liters. 

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It's quite complicated to ... But basically, yeah, a mathematical formula can allow you to create a transformation so to start from numbers and to end up having shaded circles. So this was [????] to me. 

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But having the shaded circles was not enough, because I wanted to allow people to create contrasts and comparisons. So I designed a new world diagram, made of a hundred and thirty [?] countries, which is the number of countries considered in the research.

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And I ..., I basically placed my shaded circles of   different components of the water-footprint, of my new world diagram.

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And that allows people to compare easily, for instance, the amount of water we use for domestic needs, and the amount of water we use for producing products, specifically for producing food.

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And People immidiately realized that basically we   use roughly five percent of [the] water-footprint for domestic needs, so cleaning, washing, cooking ... but we use 86% of our fresh water resources to produce food.

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So if we want to start improving our water management,we need to think about what we use at home. But we need to think also about what we use in terms of products, because we need water to produce products.

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And we need to be aware of how much products we   use, what kind of products we use. For instance beef, for one kilo of beef we need 15 500 liters of water, so a huge amount of water.

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If we think that sometimes we produce products using water and then we waste food, we can realize that we are not wasting only food, we are not wasting only the final product. We waste all the elements required for the production process of the products.