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Water treatment is a highly energy intensive process, accounting for a whopping 4% of global electricity consumption. One technology that is changing the game for treatment efficiency is nanobubbles. Nanobubbles are, to put it simply, extremely small, which allows them to transfer gases more efficiently.
IFC estimates that the cost of producing non-potable recycled water can be as low as $0.32 per cubic meter, and potable water $0.45, compared with more than $0.50 for desalination. Treatment of wastewater coupled with effluent reuse also has important direct climate benefits. In many cases, treating sewage water helps reduce greenhouse gas ...
In the longer term, these benefits extend to increased resilience and adaptation. Currently, 2.7 billion people face water scarcity for at least one month per year, and this is only going to get worse. As climate change intensifies extreme weather events, water infrastructure will not be able to reliably provide water and sanitation services.
To meet Sustainable Development Goal 6, Clean water and sanitation for all, the current rate of progress must quadruple. Otherwise, 1.6 billion will still be without safe water in 2030. Water treatment technologies are abundant and may be faster and more practical in many places than piped, chlorinated water. We can reach more people faster by ...
Here is how the industry is working together to get there: 1. Making firm, sector-wide commitments to reduce emissions. Leading utilities and stakeholders from across the water sector are joining the Race to Zero, the UN’s global initiative rallying sectors and regions to take immediate action to halve global emissions by 2030.
Epic Cleantec (USA) - Deploys onsite water treatment and reuse systems in buildings, re-using up to 95% of the water for non-potable applications, such as toilet flushing, irrigation, laundry, as well as organic soil amendments, while also recovering heat energy through wastewater. Indra Water (India) - Electrically driven decentralised ...
Similar advanced treatment facilities operate across the U.S., providing recovered drinking water to many thousands of households — with more on the way. California’s Orange County Water District, for example, is implementing a groundwater replenishment system to provide low-cost drinking water for 1 million people by 2023.
Water is critical to nearly every aspect of human life and its global economic use value was estimated at $58 trillion in 2021. Despite this, funding gaps for water infrastructure and innovations remain vast. Experts report that the water sector receives less than 1% of all climate-tech investments. Climate investors face challenges navigating ...
PUB, Singapore's national water agency, carried out an assessment which ensured the project wouldn't affect water or wildlife quality. Singapore unveiled one of the world's largest floating solar panel farms, spanning an area equivalent to 45 football fields and producing enough electricity to power the island's five water treatment plants.
The private sector can contribute in many ways, beginning with integrating water into their sustainability and climate goals. For example, AWS has committed to being water positive by 2030 by returning more water to the communities where it operates than it uses in operations. However, private sector leadership is just one piece of the puzzle.