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WATER RUNOFF MANAGEMENT
Most US roads are built with a slight sideways tilt that drivers barely notice: About a 2% cross slope helps rainwater run off instead of pooling on the pavementRoadways are engineered with a gentle slope of around 2% to enhance rainwater drainage effectively. This slight tilt not only reduces the r...
As Brazil gears up for elections, US midterms signal a transformative year for global politics and democracyBrazil is preparing for a closely watched presidential election involving incumbent Luiz Inacio Lula da Silva and challenger Flavio Bolsona...
Perdue Farms invested $300,000 in Chesapeake Conservation in 2023. The project reached 40 farmers and cut Nitrogen, Phosphorus and sediment pollutionA three-year project is helping poultry farmers in Pennsylvania, Maryland and Delaware protect the Chesapeake Bay from farm runoff. Forty f...
Between 1997 and 2005, officials removed 282 buildings from California’s Giant Forest; the project gave 231 acres back to giant sequoiasGiant Forest sequoia grove underwent extensive restoration efforts. Commercial activity and 282 buildings were removed from the grove. Ecol...
Meet Alaina Zhang, the 17-year-old Rhode Island student testing whether native seaweed can help clean polluted coastal watersSeaweed is unlikely to provide a complete solution to the many sources of nutrient pollution affecting coastal waters. Reducing the amount ...
In 2023, researchers tested a Vancouver rain garden against a tire-derived toxin; it kept more than 90% from passing through into drainageA Vancouver bioretention cell showed a 95% reduction in 6PPD-quinone mass. Researchers found bioretention cells offer a 10-fold reduction i...
In 2018, the Netherlands turned 1,000 kg of household plastic into a 30-metre cycle path; the road contained the equivalent of 218,000 plastic cupsA Dutch cycle path turned plastic waste into something useful. In 2018, Zwolle opened a 30-metre path made with about 1,000 kilograms of re...
In 1995, John D. Liu filmed 1 Loess Plateau project in China where slopes were terraced, vegetation restored and water managed. 25 years later, 35,000 sq km had recoveredChina's Loess Plateau, once severely eroded, underwent significant ecological recovery. Communities actively participated in restoration ef...
In Sydney, UTS researchers tested a biosolar green roof that cut panel temperatures by up to 9.63°C and increased maximum solar output by up to 107%, depending on the monthA biosolar roof system serves to cool solar panels, thereby boosting their electricity generation potential. By nurturing vegetation below ...
In 2006, Hawai‘i listed Waipā Stream, after dense hau bush trapped sediment and blocked fish. Today, restoration cut average turbidity by 62% and restored native fish passageWaipā Stream restoration efforts significantly improved water quality and aquatic habitats. Invasive hau bush removal and feral pig control...
Chicago installed tree tubs and permeable pavement at Navy Pier; it helps capture stormwater while reducing annual pollution by 3 lb of phosphorus, 47 lb of nitrogen and 2 tons of sedimentChicago's Navy Pier showcases an impressive green infrastructure designed for efficient stormwater management. Featuring seventy-seven tree...
In 2012, New Jersey flagged the Lower Passaic River for oxygen as Newark built 14 stormwater systems. 10 years later, those projects captured 265,845 gallons of runoff yearlyThrough a combination of education and innovative green infrastructure projects, water quality in the Passaic River has seen remarkable imp...
In 2002, Kansas listed the North Cottonwood River for copper pollution. 12 years later, farm conservation helped lower copper from 14.1 to 3.5 µg/L and restore the riverNorth Cottonwood River restoration: Kansas listed the North Cottonwood River as impaired by copper pollution in 2002. Agricultural runoff w...
In 2001, Kentucky flagged 6.5 miles of Triplett Creek for silt and nutrient pollution. 21 years later, monitoring found it met standards and cleared 2 pollution listingsTriplett Creek water quality: Triplett Creek's water quality improved significantly after extensive restoration work. Years of planning and...
In 2021, an Oregon farmer turned 70 acres of his barley farm into a wetland. Four years later it attracts thousands of birds and helps endangered fish surviveIn Oregon, a farmer has transformed seventy acres of barley into a thriving managed wetland, fostering a habitat for countless waterfowl an...
Hawaii on alert as powerful Hurricane Lowell approaches with 120 mph winds, dangerous flooding and possible mudslides; residents told to prepareHurricane Lowell is approaching Hawaii, bringing heavy rain and potential flooding to the islands. Authorities have issued warnings and urg...
Since 2014, US farmers have been deliberately flooding their fields to create habitat for migratory birds; a decade later, 180,000 acres of farmland have become temporary wetlands serving as vital habitat for millions of birdsBirdReturns pays farmers to flood fields, creating vital temporary wetlands for migrating birds. This initiative helps birds and also reple...
In 2016, Indiana found very poor fish health in 1.27 miles of Big Branch after years of pollution. 7 years later, its fish score reached 48 and the segment was clearedBig Branch’s recovery is ultimately a reminder that environmental restoration is often measured in years rather than weeks. The stream did ...
In 1996, Illinois added Lake Decatur to its pollution list after farm runoff harmed its water. 28 years later, nitrogen levels fell below the 7.8 mg/L limitLake Decatur's water quality improved after implementing agricultural best management practices. Efforts to reduce nutrient and sediment ru...
In 2012, Maryland's Greensboro launched 2 projects to curb stormwater flooding. 9 years later, its firehouse gained permeable pavers and step pools, helping reduce pollutants reaching the riverGreensboro, Maryland, has successfully implemented modern stormwater control practices, improving water quality. These projects, funded by ...