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LANDFILL
In 1991, Curitiba began exchanging recyclables for bus tokens and food. 35 years later, the city recycles 70% of its waste while creating jobs and supporting families- In 2021, NREL fermented food waste into volatile fatty acids and catalytically upgraded them to jet fuel; the SAF was estimated to cut net carbon emissions by up to 165% when landfill disposal was assumed
- California’s CR&R digester can process 334,000 tons of food and green waste yearly, yielding 4 million diesel-gallon equivalents of RNG and 250,000 tons of fertilizer
- In 2025, Petgas in Boca del Río reportedly processed 1.5 tons of plastic each week without oxygen; its pyrolysis system produced about 356 gallons of fuelA Mexican company, Petgas, converts plastic waste into fuel using a process called pyrolysis. This innovative machine processes significant...01 Sep, 2026, 01.00 PM IST
- In 2013, Farmers RECC secured a $1 million USDA loan to capture landfill methane in Glasgow, Kentucky. 7 years later, the plant reached full capacity, powering 547 homesGlasgow landfill project ultimately offers a compelling lesson in how communities can rethink waste, energy and environmental responsibilit...01 Sep, 2026, 03.15 AM IST
- In 2023, Rice researchers flashed mixed waste plastic for about 4 seconds at 3,100 K; the process recovered up to 68% of its hydrogen at purities reaching 94% and produced grapheneA group of researchers has pioneered a groundbreaking technique that transforms landfill plastic into hydrogen gas, a valuable energy sourc...31 Aug, 2026, 07.30 PM IST
- 32,600 used tires did not go to a landfill. Instead, Michigan turned them into a 1.15-mile road in Clare County that can also reduce traffic noise. The next target is Detroit roadsMichigan is turning discarded tires into road-building material, with 32,600 passenger tire equivalents reused on a 1.15-mile stretch of Ha...31 Aug, 2026, 03.59 PM IST
- In 2019, RMIT researchers fired clay bricks mixed with treated sewage sludge; a 25% biosolids batch cut firing energy by 48.6% while passing strength testsResearchers are exploring ways to recycle sewage sludge into building materials. Mixing biosolids into clay significantly cuts the energy n...31 Aug, 2026, 02.32 PM IST
- In 2026, Texas engineers mixed 4.5 tons of waste plastic into nearly a mile of road; the recycled material replaced 8% to 10% of petroleum-based bitumenInnovative researchers are pioneering the use of recycled plastic to improve the durability of asphalt roads. By substituting a portion of ...31 Aug, 2026, 02.23 PM IST
- In 2006, Illinois listed 10.69 miles of Cahokia Creek as impaired. 14 years later, Heartlands Conservancy's BMPs improved the stream, leading to delisting in 2020Cahokia Creek in Illinois was impaired due to severe streambank erosion and lack of vegetation. Heartlands Conservancy used grant funding t...31 Aug, 2026, 01.31 AM IST
- OIL Green Energy signs MoUs with Haryana for 5,000 TPD waste-to-clean-energy projectsOil India Limited's subsidiary signed MoUs with four Haryana municipalities. These agreements aim to develop integrated Compressed Biogas a...30 Aug, 2026, 04.06 PM IST
- Waste-to-energy plants to come up at four major urban centres across Haryana; MoUs inkedHaryana will establish four integrated waste-to-energy plants in major urban centers. These facilities will process 5,000 tonnes of waste d...29 Aug, 2026, 08.24 PM IST
- In an Australian study, waste glass replaced up to 60% of river sand in concrete; the recycled mix gained strength and resisted chloride penetrationEngineers in Australia have found that substituting sand with waste glass in concrete mixes can be beneficial. By using up to sixty percent...28 Aug, 2026, 02.10 PM IST
- In 2022, RMIT tested shredded masks, rubber gloves and isolation gowns in concrete; gloves raised strength by up to 22% and masks by up to 17%RMIT University researchers discovered shredded personal protective equipment strengthens concrete. Rubber gloves increased concrete streng...28 Aug, 2026, 02.00 PM IST
- In 2021, RMIT tested shredded face masks with recycled concrete for road bases; 1 kilometer could use 3 million masks and divert 93 tonnes from landfillEngineers from Australia have introduced an innovative strategy for converting used face masks into construction materials for roads. This ...28 Aug, 2026, 01.50 PM IST
- Wind turbines in US can last around 30 years; what happens to their enormous blades after they stop turning may surprise youWind turbines typically have a lifespan of around thirty years, and at the end of this period, much of their structure can be efficiently r...26 Aug, 2026, 10.12 PM IST
- Americans discard about 15 million tons of asphalt roof shingles a year, but old roofs can be ground up and put straight back into the roads people drive onMillions of tons of asphalt shingles are disposed of annually in the United States. These old roofing materials can be processed into recyc...25 Aug, 2026, 01.20 PM IST
- Earlier this year, 1,124 wind-turbine blades were sitting in a Wyoming landfill. Now, a Missouri cement plant has given 7,000 more a second life, offering a different ending for retired renewable-energy equipmentWyoming buried 1,124 wind turbine blades. Now, a Missouri cement plant is giving more than 7,000 retired blades a second life. The contrast...21 Aug, 2026, 09.34 PM IST
- Wyoming buried 1,124 wind turbine blades in a landfill, but a Missouri plant found a way to reuse 7,000 more old blades by turning them into cement feedstock and kiln fuelWyoming buried 1,124 wind turbine blades in a Casper landfill after cutting each into three pieces, but a Missouri plant near St Louis has ...18 Aug, 2026, 03.06 PM IST
- 18-year-old Texas student Ananya Gulur Nagendra builts an ant-powered food waste digester; it achieved 83% efficiencyAnanya Gulur Nagendra has created an ant-inspired system for managing food waste, achieving an impressive eighty-three percent efficiency i...17 Aug, 2026, 07.29 PM IST
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