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Water footprint, what is it

Water footprint, what is it



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Water footprint, what is it:definition, calculation and estimation of the water footprint in Italy. How to limit water waste and preserve water.

Water footprint, what is it

The water footprint is the amount of water consumed by an individual, a group of people or an industry. If when it comes toharmful emissionswe refer to the amount of greenhouse gases released into the atmosphere when we talk aboutwater footprintit refers to the quantity of water consumed!

Water footprint, definition

L'water footprint of an individual, a community, a company is defined as the total volume of fresh water used to produce the goods and services consumed by that individual, community or company.

Second definition

L'water footprint is the sustainability indicator that allows you to evaluate the total amount of water consumed or polluted for the creation of a product.

Italy water footprint

The water we use every day - for washing, cooking food, watering the lawn or drinking - represents only a small part of what is used every day in the world and in our country.

Every year, the WWF draws up a report that reports the data of the water consumption of our country; the report, entitled "TheItaly's water footprint”Sheds light on how much water is consumed daily through the foods we eat and in other ways that are not always obvious.

We often hear aboutfood water footprintor indirect water footprint because water consumption is hidden even behind the most unexpected gestures. It is estimated that for production alone, the water footprint is 70 billion cubic meters of water per year. As for consumption, the water footprint amounts to 132 billion cubic meters per year.

Water consumption in Italy

A consumption of 132 billion cubic meters of water per year is immense ... but where does all this water go?

In Italy, 85% of water consumption is recorded in the agricultural sector for the irrigation of fields intended for human consumption and intended to provide feed to livestock. Yes, so when we consume meat or milk we increase - indirectly - our water footprint.

8% of water consumption is recorded in the industrial sector and only 7% in the home.

For the water needs in the world, please refer to the page:world water needs.

Per capita water footprint

Based on thewater footprint registered in Italy, it can be established that, in the normal course of his daily life, every Italian has awater footprinttheoretical of 6,000 liters of water per day. A huge amount!

This impressive figure concerns the overall consumption of water, in all its forms. As it should be clear by now, it is not only the water that is consumed directly that should be calculated. Each day, each of us consumes 6,000 liters of water directly and indirectly, therefore also taking into account the water used to produce and transport the foods we eat, the water used to make the t-shirt we wear and to carry out each type of activity.

The water footprint of food

Cereals, fruits and vegetables are the foods with the least impact in terms of consumption of water resources. Conversely, meat and animal derivatives are also the foods to which a greater is associated water footprint.

The water footprint of a vegetarian or even vegan diet will undoubtedly be lower than the water footprint associated with a carnivorous diet. Translated into data, the consumption of water for food varies from about 1,500-2,600 liters in the case of a vegetarian diet up to about 4,000-5,000 liters for a diet rich in meat.

The most alarming fact is the lack of water in some locations around the globe. While we Italians consume (even if only virtually) 6,000 liters of water a day, one billion people in the world do not have access to drinking water. Nearly 4 billion people do not have enough water or cannot use it constantly. Figures, which according to wwf estimates, are destined to increase significantly.

The research conducted by Un-Water (the UN agency that deals with the global water emergency), showed that between 2025 and 2030, water shortages involve a third of the inhabitants of the earth and the remaining 2/3 he will find himself in conditions of water stress. We should run for cover as soon as possible!

To start reducing waste: How to save water at home.


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