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BUILDING MATERIALS
Realty firms must adopt scientific temperament, build sustainable housing projects: MoHUA Secy- In 2022, Ontario's Durham Region used 400 tonnes of glass in a 3.6-km road pilot. 4 years later, it could reuse 240 tonnes of PET each year across Durham roads under its plan
- In 2022, a Washington State lab study replaced 20% of cement with recycled glass powder; 56-day strength rose 19% with steel milling, while surface resistivity improved 150% with ceramic milling
- In 2024, Arizona engineers used 100% recycled glass to widen 23 miles of Interstate 17 at 19 sites, protecting concrete culverts built for a narrower highwayInstead of adding heavy soil and stone above aging concrete drainage structures, engineers used ultra-lightweight foam glass made from recy...08 Sep, 2026, 03.44 PM IST
- Sweden built a five-storey car park using 57 retired wind turbine blades; today, they form walls around 365 parking spacesIn southern Sweden, a remarkable transformation has taken place with 57 old wind turbine blades from a Danish wind farm, now elegantly form...08 Sep, 2026, 01.02 AM IST
- In 1991, researchers coated a Merritt Island home’s green-gray shingle roof with reflective material; the shingles reached about 110°F after treatmentDark roofs tend to soak up heat from the sun, resulting in higher air conditioning demands and costs. Utilizing reflective roofing material...07 Sep, 2026, 01.10 PM IST
- Did HEG shares really crash 64% in one day? Here’s how the demerger math worksHEG shares opened nearly 64% lower on Monday as the stock adjusted for the company’s demerger, which split its businesses into two separate...07 Sep, 2026, 11.27 AM IST
- A Nigerian engineer built his first model house with 14,800 sand-filled plastic bottles; the experiment later grew into 15 houses, including a five-bedroom duplexNigerian engineer Yahaya Ahmed is building homes using thousands of discarded plastic bottles. His initiative has constructed up to fifteen...05 Sep, 2026, 04.31 PM IST
- In 2011, NASA built a 50,000-square-foot California office that used 90% less drinking water and was designed to produce 20% more energy than it neededNASA’s Sustainability Base was designed as a 50,000-square-foot office that used just 12% of conventional electricity and 10% of potable wa...04 Sep, 2026, 07.12 PM IST
- 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%...04 Sep, 2026, 02.30 PM IST
- In 2023, researchers crushed discarded coconut shells into aggregate substitutes, replacing 10% of coarse aggregate produced 34.8 N/mm² concrete strengthCoconut shells offer a sustainable alternative to gravel in concrete construction. Studies show replacing ten percent of coarse aggregate w...02 Sep, 2026, 06.30 PM IST
- In 2024, Stanford-linked researchers redesigned radiative cooling for vertical walls; the emitter ran 2.5°C below ambient and 8.9°C cooler than white paintA team of researchers has unveiled a groundbreaking material designed to cool building walls effectively. This revolutionary emitter has th...02 Sep, 2026, 03.40 PM IST
- 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...02 Sep, 2026, 03.33 PM IST
- In 2023, CUHK researchers milled glass bubbles for 5 minutes before mixing cooling paint; solar reflectivity rose from 75.8% to 95.8% during field tests at noonInnovative researchers have unveiled a groundbreaking paint designed for energy-free cooling in buildings. By incorporating larger glass bu...02 Sep, 2026, 02.20 PM IST
- 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...02 Sep, 2026, 01.40 PM IST
- No concrete, only boulders: Just 2 hours from Bengaluru, this 2,400 sq ft forest farmstay is built with natural stone, mud blocks, wood and clayLocated in Shoolagiri, this remarkable farmstay near Bengaluru blends natural boulders into its architecture, encouraging an eco-conscious ...02 Sep, 2026, 01.04 PM IST
- City University of Hong Kong built a radiative-cooling ceramic tile reflecting 99.6% of sunlight; field tests found it about 5°C cooler than standard tilesResearchers developed a new ceramic tile inspired by beetles. This tile reflects 99.6% of sunlight and releases absorbed heat effectively. ...01 Sep, 2026, 06.50 PM IST
- 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...31 Aug, 2026, 05.05 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 a 2025 study, Penn State researchers tested porous PMMA sheets that reflected 96.4% of sunlight; a test box stayed 14.7°F cooler than the outdoor airInnovative researchers have crafted a groundbreaking porous plastic sheet that cools without any electrical input. By reflecting sunlight a...29 Aug, 2026, 02.30 PM IST
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