The World Bank has previously partnered with such businesses on different projects and initiatives. This includes Drinkwell, the inaugural winner of the Imagine H2O Urban Water Challenge, which the Water Global Practice connected with the Chittagong Water Supply and Sewerage Authority, leading to th Contact online >>
The World Bank has previously partnered with such businesses on different projects and initiatives. This includes Drinkwell, the inaugural winner of the Imagine H2O Urban Water Challenge, which the Water Global Practice connected with the Chittagong Water Supply and Sewerage Authority, leading to the first deployments of four water ATM booths providing safe drinking water access to 5,100 people. In cooperation with the utility, Drinkwell will be rolling out an additional 96 systems in 2020 and 2021 across Bangladesh''s second largest city.
The businesses highlighted in the webinar, many of which are currently or have previously been part of Imagine H2O''s accelerator programs, offer technologies that help utilities serve customers digitally, manage water resources remotely and in real time, empower farmers to make water smart decisions and utilize distributed technology to expand water and wastewater services to underserved communities.
Smarter Homes, for example, is a company that produces the WaterOn device, which is a smart metering and automated leakage prevention system. Thus far, the device has been used on apartment buildings in India and has helped save 40,000 households an average of 35 percent of water consumption. Meanwhile, in Bengaluru, its use saves roughly 71 million liters of water every month.
Jennifer Sara, the World Bank Water Global Practice''s Global Director, has said that technology is a critical element that can help support us in improving water and sanitation sectors and strengthening water resources management. "It is a fundamental part of our three strategic objectives: ensuring sustainability, meeting basic needs, and taking into account long-term forces that are shaping the external environment."
Oneka is another company that helps consumers obtain safe drinking water without utilizing land or emitting greenhouse gases. With a focus on Small Island Developing States, Oneka''s wave-powered desalination buoys convert ocean water to drinking water. Each buoy can produce 10m3 of drinking water per day, saving an estimated 34,000kg of CO2 per year.
The fourteen innovators showcased at Water Online Week represent a diverse range of solutions reimagining a water resilient future globally. To learn more about Imagine H2O''s portfolio and programs, visit
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Net trends in total water storage data from the GRACE satellite mission range from −310 km3 to 260 km3 total over a 19-year record in different regions globally, caused by climate and human intervention.
Groundwater and surface water are strongly linked, with 85% of groundwater withdrawals sourced from surface water capture and reduced evapotranspiration, and the remaining 15% derived from aquifer depletion.
Climate and human interventions caused loss of ~90,000 km2 of surface water area between 1984 and 2015, while 184,000 km2 of new surface water area developed elsewhere, primarily through filling reservoirs.
Human intervention affects water resources directly through water use, particularly irrigation, and indirectly through land-use change, such as agricultural expansion and urbanization.
Strategies for increasing water-resource resilience include preserving and restoring forests and wetlands, and conjunctive surface water and groundwater management.
B.R.S. conceptualized the review and coordinated input. S.F. reviewed many of the topics and developed some of the figures. A.R. analysed GRACE satellite data and M.S. reviewed this output. Q.G. provided input on water economics. E.J. reviewed impacts of land-use change. S.R.K. provided data on future precipitation changes. L.F.K. provided detailed information on surface water/groundwater interactions. M.M. provided data on water trade. C.J.V. provided input on green and grey solutions. All authors reviewed the paper and provided edits.
Nature Reviews Earth & Environment thanks Helen Dahlke, Diana Allen, who co-reviewed with Aspen Anderson, and the other, anonymous, reviewer(s) for their contribution to the peer review of this work.
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