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Climate change and development have intensified flash floods around the world

While average temperatures gradually warm in most parts of the world, resulting in increasingly frequent and intense rainstorms, human expansion and development continue to disrupt the natural landscape’s ability to manage stormwater runoff. According to the first global analysis of how these trends already have affected rates of both precipitation and runoff generation, existing climate […]

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Satellite data helps volunteer group build rainwater systems for Middle-East schools

In the Middle East and North Africa, the World Bank estimates that as much as 85% of the region’s water supplies is used to irrigate crops. This irrigation combined with groundwater depletion and the effects of climate change leads much of the region to face chronic water shortages. Outside major metropolitan centers, inadequate water supplies […]

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Storms as destructive as Hurricane Harvey projected to happen more frequently

When Hurricane Harvey inundated eastern Texas late last August, the eye of the storm loitered over land for nearly a week rather than dispersing as it moved farther from the ocean, as most hurricanes do. The result was a stronger, more destructive storm, which dropped a record-breaking 127 cm (50 in.) of rain and directly […]

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China embarks on massive stormwater projects to plan for future water risks

China is midway through its decades-long South—North Water Transfer Project, a massive system of aqueducts intended to convey 44.8 billion m3 (11.8 trillion gal) of fresh water each year from China’s rural, rainy south to its drier and more urbanized north. However, the country also is exploring far-reaching ways to use stormwater as the basis […]

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State-of-the-art Hong Kong flooding project recognized for innovation and creativity

Located between a busy highway and Hong Kong’s Victoria Harbour, Happy Valley Recreation Ground is a heavily frequented hotspot for locals and tourists alike. But during the rainy season, the appeal of the low-lying neighborhood’s museums, sports fields, and horse-racing track is compromised by its high susceptibility to stormwater flooding. In 2008, for example, the […]

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Australian student invents award-winning stormwater mapping toolbox

When Esri (Redlands, Calif.) first released the ArcGIS spatial analysis platform in 1999, it empowered users to visualize abstract data in a way that put computer-assisted watershed planning (literally) on the map. Just under two decades later, the open-source platform now enables seamless map-sharing, intuitive rendering features, and has inspired a dedicated circle of coders […]

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Great Lakes Commission announces Great Lakes Emerging Champions Mini-Grant Program

The Great Lakes Commission (Ann Arbor, Mich.) on June 1 began accepting requests for proposals for the Great Lakes Emerging Champions Mini-Grant Program. This program will provide funding to help small- and medium-sized communities improve water quality, manage stormwater, and enhance community well-being. The deadline to submit proposals is July 31, 2017. Grant details The […]

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Canada governments announce funding for 49 new water infrastructure projects

On May 23, the federal government of Canada and the provincial government of Ontario announced water infrastructure funding for 49 new projects, many of which include a focus on stormwater and green infrastructure. Among these projects, 18 will be built in the City of Ottawa and have been approved under the Canadian government’s Clean Water […]

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Billions spent worldwide to improve “natural” green infrastructure

The term green infrastructure generally refers to manmade structures that mimic the absorptive water control properties of nature. But more and more engineers, academics, and regulators are recognizing that the term also includes the very forests, meadows, and wetlands that inspire bioswales, porous hardscapes, and rain gardens. Last September, Governor Jerry Brown of California introduced […]

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UK parliament committee calls for new approaches to flood management

Faced with predictions from the U.K. government’s recent National Flood Resilience Review to expect 20% to 30% more intense rainfall due to climate change in coming years, the bipartisan Environment, Food, and Rural Affairs Committee of Parliament last month released a report calling for a complete overhaul of how the country approaches its vulnerability to […]

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