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Saving water
and the future

Water is an essential resource for life on earth, and as our planet's population grows, it becomes increasingly important to prioritise water conservation efforts. Let’s explore the importance of saving water for the future and discuss strategies and solutions that individuals and communities can adopt to reduce water waste and ensure a sustainable water supply.

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Water conservation for a sustainable future

The importance of water conservation is increasingly evident. Saving water is not just about reducing water bills or conserving a vital resource for the present, but also about securing a sustainable future for future generations.

Saving Water and the Future (1)

What is water conservation?

Water conservation is the practice of using water efficiently to reduce waste and preserve this precious resource. It involves carefully managing and using water resources to minimise the amount of water used and prevent contamination. Water is a finite resource, and with the ever-increasing global population, there is a growing demand for clean water. Water conservation is particularly crucial in arid regions, where water scarcity is a significant concern.

Read more: Water conservation: protecting nature's liquid gold

The importance of water conservation

Water is essential for life and plays a crucial role in sustaining ecosystems, agriculture, industry, and human wellbeing. Water conservation has become increasingly important. Here are the reasons why:

Protecting ecosystems

Water conservation is essential for preserving ecosystems and biodiversity. Conserving water helps maintain healthy ecosystems and preserve wildlife.

Ensuring food security

Water-conservation practices help farmers produce more food with less water, ensuring food security.

Saving money

Conserving water leads to cost savings for individuals and businesses. By reducing water consumption, households save money on their water bills, while industries can reduce their operating costs and increase efficiency.

Reducing energy consumption

Pumping, treating, and distributing water requires a significant amount of energy. Conserving water can help reduce energy consumption and associated carbon emissions.

DGB Group manages large-scale, nature-based projects that reduce carbon emissions, helping corporations achieve their net-zero goals. By leveraging the power of nature, we create tree-planting projects that assist in saving water by intercepting rainfall in the foliage and absorbing and purifying water that infiltrates into the soil.

Goals of saving water and the future

The goals of saving water are multifaceted. They include reducing water waste, promoting sustainable water-use practices, protecting and restoring water ecosystems, and ensuring equitable access to water for all communities. By achieving these goals, we can help mitigate the impacts of environmental instability, promote biodiversity, and protect our water resources for future generations.

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The importance of water

Water is one of the essential resources on the planet—and is also one of the most finite. As the world's population continues to grow and changing environmental conditions exacerbate droughts and water scarcity in certain regions, it's becoming increasingly important to recognise the value of this precious resource and take steps to conserve and protect it.

The role of water in ecosystems

The purpose of water in ecosystems is to provide habitats for aquatic organisms. Rivers, lakes, and oceans are home to a diverse array of species, including fish, amphibians, and aquatic plants. These organisms rely on water for survival, and any changes in the quality or quantity of that water can significantly impact their health.

Saving Water and the Future (2)Pack of African lions drinking water.

Importance of water to human life

Water is essential for our survival. Our bodies are made up of around 60% water, and we need to replenish this supply daily. It is necessary for many bodily functions, including regulating body temperature, transporting nutrients, and flushing out waste. It is also critical for agriculture and food production. Water is necessary for plant growth, and crops need a consistent and reliable water supply to thrive.

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Water scarcity

Water scarcity is a situation where the available freshwater resources are insufficient to meet the needs of the population, including for drinking, sanitation, agriculture, and industrial activities. The term also encompasses the lack of access to safe and clean water due to natural or human-made causes. 

There are numerous causes of water scarcity, including:

Population growth

The world's population is increasing at an alarming rate, leading to a high demand for water resources. The increasing population puts pressure on the available water resources, leading to water scarcity.

Overuse of water resources

The overuse of water resources, mainly for agricultural and industrial purposes, leads to the depletion of freshwater resources, contributing to water scarcity.


Rapid urbanisation leads to increased water demand, putting pressure on available water resources and leading to water scarcity.

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Lemons during the washing process of a modern production line.

Effects of water scarcity on the environment and humans

Effects of water scarcity on the environment


Water scarcity can have severe effects on ecosystems, including the degradation of wetlands and other freshwater habitats.


Water scarcity can lead to deforestation as communities clear trees to make way for agriculture and livestock farming, leading to habitat loss for numerous species.

Read more: The importance of trees in water conservation

Effects of water scarcity on humans


Water scarcity can lead to waterborne diseases, including cholera, typhoid, and diarrhoea, which can severely affect human health.

Food insecurity

Water scarcity can lead to reduced crop yields, leading to food insecurity and malnutrition, affecting the health and wellbeing of individuals.

Regions facing water scarcity

  • Middle East and North Africa (MENA): The MENA region is one of the most water-stressed regions globally. The region's high population growth and insufficient water-management practices have contributed to water scarcity.
  • South Asia: Millions of people in South Asia lack access to safe and clean water. The region's high population growth, over-extraction of groundwater, and inefficient irrigation systems have contributed to water scarcity.
  • Western United States: The Western United States, including California, Nevada, and Arizona, is facing severe water scarcity, with prolonged droughts and overuse of water resources.

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Strategies for water conservation

Strategies for water conservation can take many forms, including efficient water use in agriculture, reducing domestic water use, and water reuse and recycling practices.

Efficient water use in agriculture

  • Use drip irrigation systems: Drip irrigation systems deliver water directly to the plant roots, reducing water waste through evaporation and runoff. This irrigation method is particularly effective for crops such as fruits and vegetables that require precise amounts of water.
  • Use drought-tolerant crops: Drought-tolerant crops are those that can thrive in low-water conditions. By planting these types of crops, farmers can reduce their water use without compromising their yields.

Read more: 10 Agricultural techniques for water conservation

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Lettuce grown in a hydroponic system.

Reducing domestic water use

By conserving water, you contribute to preserving our planet's precious resources. Here are practical tips for reducing domestic water use:

  • Fix leaks: Even small leaks in pipes and faucets can waste a lot of water over time. Regularly check for leaks and fix them promptly to prevent unnecessary water loss.
  • Reduce shower time: Shortening your shower time by a few minutes can save a considerable amount of water. Consider using a shower timer or playing music to help you keep track of time.

Water recycling and reuse

Water recycling and reuse is the process of using treated wastewater for uses other than drinking, such as irrigation or industrial processes. Here are some benefits of water recycling and reuse:

  • Cost savings: Recycling and reusing water can significantly reduce water and wastewater treatment costs. By reusing treated wastewater, we can avoid the cost of treating it to drinking-water standards.
  • Reduced wastewater discharge: By reducing the amount of wastewater discharge into our waterways, we reduce the environmental impact of wastewater treatment facilities.

Rainwater harvesting

This ancient technique is gaining popularity around the world as a way to conserve water and reduce dependence on freshwater resources. Here are the benefits of rainwater harvesting:

  • Conservation of freshwater resources: By collecting rainwater, we can reduce our dependence on freshwater resources. This, in turn, helps to conserve these resources for future generations.
  • Improved water quality: Rainwater is naturally soft and free from pollutants, making it an ideal source of water for irrigation or uses other than drinking.

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Technology and innovations for water conservation

Drip irrigation

This technology has become increasingly popular in recent years as a means of conserving water. Here are the benefits of drip irrigation:

  • Water conservation: Drip irrigation delivers water directly to the roots of plants, reducing water loss due to evaporation or runoff. This results in up to 60% water savings compared to conventional irrigation methods.
  • Enhanced crop yields: By providing water directly to the roots of plants, drip irrigation ensures that plants receive the necessary amount of water for optimal growth and yield.

Read more: Dry farming: growing crops without irrigation

Low-flow faucets and showerheads

These devices reduce the flow rate of water, while still providing a sufficient amount of water for daily use. Here are some benefits of low-flow faucets and showerheads:

  • Cost savings: By reducing water usage, low-flow faucets and showerheads can lower water bills and provide cost savings for homeowners and businesses.
  • Improved energy efficiency: Lower water usage also means lower energy consumption, as less energy is needed to heat the water used for showers and faucets.

Dual-flush toilets

These toilets have two flush options—one for liquid waste and one for solid waste—allowing users to choose the appropriate amount of water for each flush. Here are some benefits of dual-flush toilets:

  • Improved environmental impact: By conserving water, dual-flush toilets reduce the strain on water resources and energy consumption associated with water treatment and transportation.
  • Easy to install: Dual-flush toilets are easy to install and can be retrofitted to existing toilets, making them a convenient and cost-effective option for water conservation.

Greywater systems

Greywater systems are innovative technologies that allow for the reuse of household wastewater for uses other than drinking, such as irrigation or toilet flushing. Here are some benefits of greywater systems:

  • Improved soil quality: Greywater contains nutrients that can benefit plants and soil, resulting in improved soil quality and plant growth.
  • Health benefits: By diverting wastewater away from the sewage system and into a greywater system, homeowners can reduce the risk of sewage backups and the potential for exposure to harmful pathogens.

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Green field ripening at spring season, agricultural landscape.

Smart irrigation systems

Smart irrigation systems use sensors and weather data to optimise watering schedules for plants and landscapes. Here are the benefits of smart irrigation systems:

  • User-friendly: Smart irrigation systems are user-friendly, with smartphone apps and remote controls allowing for easy scheduling and monitoring.
  • Improved plant health: By optimising watering schedules based on weather data and plant needs, smart irrigation systems can improve plant health and growth.

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Policy and advocacy for water conservation

Policy and advocacy promote water conservation and encourage individuals and organisations to take action. Below we discuss some examples of promoting water conservation through policy and advocacy.

Water conservation laws and regulations

One of the most well-known water conservation laws in the United States is the Clean Water Act. This law was passed in 1972 to protect the nation's waterways from pollution. It regulates the discharge of pollutants into water sources and sets water quality standards.

Another important United States law related to water conservation is the Water Conservation Act. This law was enacted in 1991 and requires states to develop water conservation plans. These plans must address water efficiency, water reuse, and water demand management.

The European Union Water Framework Directive is another example that sets out a framework for water management across the European Union, including measures to prevent water pollution, promote efficient water use, and protect water ecosystems.

The Australian Water Act also provides a framework for sustainable water management in Australia, including measures to protect water resources and allocate water rights.

Water conservation advocacy groups and initiatives

Here are some of the most noteworthy water conservation advocacy groups and initiatives:

  • The Alliance for Water Efficiency: The Alliance for Water Efficiency is a non-profit organisation dedicated to promoting efficient and sustainable water use in the United States and Canada. They provide educational programmes and technical assistance to conserve water.
  • The Water Footprint Network: The Water Footprint Network is a non-profit organisation that raises awareness about the water footprint of products and services. They work with businesses, governments, and consumers to promote water conservation.
  • The Nature Conservancy: The Nature Conservancy works to protect the environment, including water resources, and promotes sustainable water use and conservation.
  • American Water Works Association: The American Water Works Association provides education and resources for water professionals and promotes the sustainable management of water resources.

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Examples of successful water conservation efforts

Successful water conservation efforts identify ways to better manage our water resources and ensure their availability for future generations. Let’s discuss some examples of successful water conservation.

Singapore's water conservation efforts

Singapore has been able to implement some of the most innovative and successful water conservation initiatives in the world. Here are Singapore's efforts in water conservation:

  • NEWater: NEWater is Singapore's initiative to recycle used water and turn it into a high-grade water source. The process involves microfiltration, reverse osmosis, and ultraviolet disinfection. The resulting water is safe for human consumption and is used for industrial and agricultural purposes as well.
  • Water Efficiency Management Plan (WEMP): The WEMP is a water conservation plan implemented by Singapore's Public Utilities Board (PUB) to reduce water usage in the industrial sector. The plan includes measures such as implementing water-saving technologies and promoting water-conservation practices among industrial users.

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 Aerial view of a dam in Singapore.

Israel's water conservation efforts

Israel has become a world leader in water conservation efforts. Here are some of Israel's water conservation efforts:
  • Desalination: Israel is a global leader in desalination technology, which involves converting seawater into freshwater through a process of reverse osmosis. 
  • Water recycling: Israel has implemented a water recycling programme in which wastewater is treated and reused for agriculture, landscaping, and industry. This initiative has helped to reduce the country's reliance on freshwater sources.

California's water conservation efforts

The state implemented various water conservation efforts to ensure water conservation and preserve the state's natural resources. Here are some of California's water conservation efforts:

  • The Water Conservation Act of 2009: This act requires urban water suppliers in California to establish water conservation targets and implement water-use efficiency measures, such as water audits and leak detection programmes.
  • The California Urban Water Conservation Council: This council is a coalition of urban water suppliers that work together to develop and implement best practices for water conservation. The council has developed a set of water conservation guidelines that have been adopted by many water suppliers in the state.

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Recap of the importance of water conservation

Water usage and availability are critical issues affecting many parts of the world. With growing populations and increasing demands for water, many regions are facing water scarcity and shortages. Changing environmental conditions are exacerbating this problem by altering weather patterns and causing more frequent and severe droughts.

Water conservation is a crucial strategy for addressing this issue. By reducing water usage and implementing efficient water-management practices, we can help ensure water resources are available for future generations. Water conservation efforts can include measures such as fixing leaks, using low-flow appliances, and implementing drought-resistant landscaping.

There are also many strategies for saving water, such as harvesting rainwater, using greywater systems, and recycling wastewater. These approaches can help reduce water usage and preserve this precious resource for future generations.

How does DGB Group help save water?

Saving even just a single drop of water at a time can have a significant impact on ensuring that there will be enough water for future generations. Individuals, organisations, and governments hold the power to make a positive difference in water conservation efforts.

At DGB, we strongly uphold our commitment to nature conservation and believe that every action matters. By taking steps to save water, we can collectively contribute to a more sustainable future for the planet. By originating high-quality carbon credits, we can help companies achieve a net-zero carbon footprint and develop projects that promote sustainable land and water use, reforestation, and other nature-based solutions that reduce carbon emissions, restore nature, replenish natural resources, and contribute to ensuring a healthier, more sustainable future.

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