World Water Day
Each year, 22 March is when we celebrate World Water Day. The theme that the UN set for 2021 is what water means to each of us. It is a day to remind ourselves about water’s value – even though we should not forget this during all the other 364 days of the year. At 2030 Builders, we care deeply about water footprint, both ours and of the industries we serve. That is why we wanted to give you an overview of the issue of water scarcity and to look into which industries consume the most water.
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Table of Contents
The issue of water scarcity
There’s plenty of water on Earth – 71% of our planet’s surface is covered with water. However, the freshwater for our basic survival needs only represents 3% of the world’s water. Of that, most freshwater is unavailable, as it exists in glaciers, polar ice caps, atmosphere, and soil. This leaves us with 0.5% of Earth’s water fresh and ready for us to use.
As a result, two-thirds of people on our Blue Planet live in areas where access to freshwater is an issue. Water scarcity impacts every continent and, as a result, 1.1 billion people do not have access to water.
By 2025, it is expected that half of the world’s population will live in areas facing water scarcity. This is mainly a result of climate change, growing population, and land-use change.
Which industries consume the highest volumes of water?
All industries have a certain water footprint. However, let’s get an overview of the ones that require the biggest amounts of freshwater.
70% of the world’s freshwater is used for agriculture. In Europe, this sector requires 44% of freshwater resources. This is due to agriculture’s water use for irrigation, fertiliser and pesticide application, crop cooling, and frost control.
As a result of the fertilisers and insecticides used in agriculture, it is also a major source of water pollution.
When it comes to the thirstiest crops, wheat, corn, rice, cotton, and sugarcane take the lead. Nuts are also a source of concern, especially since 74% of irrigated nuts are grown in regions facing water stress, like India, China, Pakistan, the Mediterranean area, and the US.
As we previously covered in more details, apart from being a significant source of water pollution, the fashion industry also uses considerable amounts of freshwater.
The 79 billion cubic metres of freshwater used yearly by the fashion industry secured its place as the second most water-consuming industry in the world. This is mainly because of cotton’s high water demand of cotton, the main material in our clothes.
It takes 7,000 litres of water to produce one pair of jeans, the same amount one individual drinks in 5-6 years. A T-shirt requires 2,700 litres of water, enough for a person to keep thirst away for almost 3 years.
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A study by E. S. Spang et al. (2014) estimated that the world’s energy production consumes approximately 52 billion cubic meters of freshwater each year.
This significant water volume comes mainly from power plants needing it for their cooling processes. This technology is characteristic of fossil fuel and nuclear power plants. Moreover, bioenergy crops like sugarcane and rapeseed use large quantities of water for cultivating the plants. Processing the ethanol or biodiesel they generate also requires some high volumes of water.
This is yet another reason to speed up the transition towards renewable energy sources likes wind and solar.
Generally speaking, animal products like meat, dairy, and eggs are linked to higher environmental impacts than fruits and vegetables. This includes bigger levels of greenhouse gas emissions, land-use change, and water use.
Meat production is a separate industry, but we have to remember it is intimately linked to agriculture. Some estimates say that one-third of the freshwater used for agriculture is a result of meat production.
Beef is by far the most water-intensive food on our plates, followed by lamb, pork, goat, poultry, eggs, and cheese. It should be noted that other sources include nuts as the second-highest water consumer in the food industry.
According to the Beverage Industry Environmental Roundtable, 19 companies reported a total water use of 746 billion litres in 2017.
This would be enough for over 1,081 million people to drink in one year. So to put things into perspective, the water used by 19 beverage companies would be enough to end the thirst of the ones who don’t have access to water.
However, this report only takes into account a very limited part of the industry’s water footprint: the water used in the production processes, not the entire amount of water needed for the beverages (from cultivating the ingredients to manufacturing the bottles they come it).
Looking at all the water that goes into beverages, from growing the necessary ingredients to packaging, the values are surprising, to say the least. It takes 350 litres of water to produce one litre of soda, while one litre of beer requires 155 litres of freshwater.
Construction, mining, and car industries
Finally, here are some thought-provoking facts about how these three industries consume water. In Europe, the mining and quarrying industry is responsible for about 4% of the water consumption, while the construction industry for around 3.4%.
According to Treehugger, a ton of cement requires over 5,100 litres of water, while a ton of steel needs almost 235,000 litres. A single board of lumber takes 20 litres to grow.
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Water is an invaluable resource
It is hard to read these water consumption figures and imagine people dying of thirst every day. World Water Day is an opportunity for companies to challenge their consumption patterns and environmental targets. It is also a good time for organisations to remind their employees about their promises, engage them in taking action, and change mindsets and behaviours on the topic.
2030 Builders is determined to help your organisation reduce its water consumption, by focusing on ways to reduce water use, recycle the utilised volumes, and on alternative low-water solutions. We want to raise the employees’ awareness of water scarcity and challenge them to find ways of reducing their organisation’s water use, while also committing to decreasing their personal water footprint.
Find out how to engage your employees in sustainability on your journey towards a more conscious approach to water consumption here.
“Access to clean water changes everything; it’s a stepping-stone to development.” – Kathryn Reid, 2020, ‘Global water crisis: Facts, FAQs, and how to help’, World Vision