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EGGSHELL WASTE BUILDING MATERIAL
In 2025, Egyptian researchers mixed eggshell waste into clay bricks to block the walls from absorbing outside heat and transferring it indoors during hot climates; heat transfer dropped 50%Egyptian researchers tested clay bricks containing eggshell waste and found that a 10% eggshell formulation fired at 1,100°C reduced therma...
In 2022, Hawaii used 195,000 plastic bottles to rebuild a road. Engineers found an alternative use for recycling plastic waste, but there's a catchHawaii's officials have embarked on an innovative experiment to blend recycled plastic into road asphalt, effectively repurposing nearly 20...
A PhD student used shredded baby diapers in a prototype Indonesian house; 27% of its non-structural concrete blocks contained diaper waste, totaling about 3,700 poundsAn extraordinary house in Indonesia has creatively utilized nearly 3,700 pounds of discarded diapers. This unique construction method incor...
In Massachusetts, Bar-Way Farm digests 36,500 tons of food waste and 9,125 tons of manure every year, producing enough electricity for 900 homesIn Deerfield, Massachusetts, Bar-Way Farm is leading the charge in renewable energy by harnessing food waste and cow manure to create elect...
No bells, no colourful glass windows: Why this 160-year-old Karnataka church almost disappears underwater every monsoonKarnataka’s Shettihalli Rosary Church is a hauntingly beautiful ruin, situated a few kms from Bengaluru, that reflects a tale of history an...
Earlier in 2026, WSU researchers heated and pressurized sewage sludge with oxygen, producing 200% more renewable gas. Now the process cuts treatment costs from $494 to $253 per tonWSU researchers treated sewage sludge under high temperature and pressure while introducing oxygen. Under those conditions, the relatively ...
In 2003, Kamikatsu made a zero-waste pledge for 2020. 17 years later, residents sorted trash into 45 categories and recycled over 80%, but producers needed to change tooKamikatsu, a Japanese town, pursued a zero-waste goal starting in 2003. Residents meticulously sort waste into 45 categories at a central s...
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 familiesIn Curitiba, Brazil, residents can exchange recyclable waste for fresh food. Other cities have found different uses for what people throw a...
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 fertilizerIn California, a remarkable facility is transforming food waste into renewable natural gas fuel, effectively capturing harmful methane emis...
In 1993, Taiwan collected 70% of its trash while recycling virtually none. 33 years later, paid bags, musical trucks and sorting helped drive recycling to 55% nationwideTaiwan’s experience therefore challenges the idea that recycling depends mainly on individual environmental enthusiasm. People certainly ne...
These sustainable houses built from waste cost under $300: 2 tonnes of discarded plastic can become a home in just 7 daysA Mexican entrepreneur is turning discarded plastic into affordable, sustainable homes that cost under $300. Each house uses around 2 tonne...
Two Canadian builders turned 612,000 plastic bottles into 2,000-sq-ft home in Nova Scotia; its panels were so strong they withstood sustained winds of 326 mph, twice the strength of Category 5 hurricaneCanadian builders transformed more than 600,000 plastic bottles into a house. The recycled PET was processed into foam and used to make str...
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...
In a 2025 study, researchers fired clay bricks with 10% eggshell powder; thermal conductivity was 50% lower than in untreated bricksInnovators are integrating eggshell waste into fired clay bricks, effectively reducing heat transfer in building structures. By using a 10%...
How a student turned waste glass into an ‘oyster home’ and won Rs 1.2 lakh awardA Florida high school student, Delaney Peterson, has explored an unusual way to support oyster reef restoration, by turning discarded glass...
From food waste to water: A new research shows how new biomass hydrogels could help turning discarded food and agricultural waste into a source of atmospheric water for irrigation and sustainable farmingResearchers developed new hydrogels from natural materials to capture atmospheric moisture. These innovative materials can absorb water vap...
In a 2019 concrete study, replacing up to 30% of sand with waste tyre rubber increased impact resistance but reduced compressive strengthUtilizing discarded tyres in concrete significantly improves impact resistance. The incorporation of rubber allows structures to flex rathe...
In a 2015 Deakin University study, crushed waste glass replaced 30% of concrete sand; after 28 days, the recycled mix was 6% stronger than conventional concreteAustralian researchers found that crushed glass strengthens concrete mixtures effectively. Replacing sand with up to thirty percent recycle...
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...
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 ...