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RADIATIVE COOLING PAINT
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 paint- 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 noon
- 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 tiles
- Columbia Engineering built a pigment-free paint filled with microscopic air pores; it stayed 6°C below surrounding air during hot desert tests in ArizonaResearchers at Columbia University and Purdue University have unveiled an experimental paint-like coating that can cool surfaces to tempera...31 Aug, 2026, 07.56 PM IST
- In 2020, Stanford's radiative cooling technology reached a California supermarket roof; panels were estimated to save 15% to 20% energy, while a Tempe bus shelter film was reported 30°F coolerNew technology allows surfaces to cool themselves under direct sunlight. This innovation reflects sunlight and radiates heat into outer spa...31 Aug, 2026, 06.40 PM IST
- Phoenix swapped black asphalt for a reflective road coating; noon surface heat fell 12°F, but pedestrians faced higher radiant heatIn an effort to lower urban heat, Phoenix tested innovative reflective pavement coatings on its roads, revealing that treated asphalt kept ...31 Aug, 2026, 05.22 PM IST
- In 2023, Princeton researchers tested a naturally ventilated cooling box; it stayed below outdoor air while using radiative cooling and buoyancy-driven airflowResearchers have unveiled a groundbreaking cooling technique designed for buildings that eliminates the need for traditional air conditioni...29 Aug, 2026, 02.40 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
- Phoenix coated 36 miles of black asphalt with reflective coating to fight extreme heat. Road temperature dropped by 12°F, but pedestrians found a surprising side effectTo tackle the oppressive heat, Phoenix pioneered the use of lighter-toned roads, which successfully reduced surface temperatures significan...26 Aug, 2026, 06.26 PM IST
- Illinois researchers tested a passive cooling film in Houston; treated metal roofs measured more than 40°F cooler in direct sunlightAs American summers heat up, public health risks escalate, prompting researchers to create an innovative coating that cools metal roofs by ...25 Aug, 2026, 02.40 PM IST
- A cement-based paint that "sweats" water kept a model house more than 4.5°C cooler than conventional white paintInnovative researchers have unveiled a remarkable paint designed to keep buildings cooler by absorbing moisture. This advanced formula not ...18 Aug, 2026, 06.40 PM IST
- In 2023, U.S. scientists created “cooling glass” that reflects 99% of solar energy and radiates building heat toward spaceA team of engineers at the University of Maryland has unveiled a revolutionary rooftop glass coating that offers remarkable cooling propert...10 Aug, 2026, 05.29 PM IST
- Purdue University created paint so white that a coated surface stayed 8°F below the surrounding air at noonPurdue University researchers developed an ultra-white paint reflecting nearly all sunlight. This innovative paint keeps surfaces cooler th...05 Aug, 2026, 05.37 PM IST
- Can chalk replace air conditioning? France is putting the idea to the testFrance is experiencing a surge in demand for crushed chalk as a cooling solution. This traditional cleaning powder is applied to windows, r...30 Jul, 2026, 08.06 PM IST
- In 2010, a study suggested the coolest solution to global warming might also be the simplest; a fresh coat of white paint could help cool the planet: How white roofs may reduce urban heat and support climate action?In 2010, a study suggested the coolest solution to global warming might also be the simplest; a fresh coat of white paint could help cool t...28 Jul, 2026, 01.45 AM IST
- A simple layer of aluminum foil beneath a roof can cut summer heat entering homes by up to 53%, researchers foundAttic heat gain significantly impacts home cooling costs during summer months. A thin layer of reflective aluminum foil can reduce this hea...17 Jul, 2026, 03.27 PM IST
- Engage in the solar geoengineering debate: Why India must shape the rules before the sun goes dimSolar radiation modification offers potential climate solutions but demands careful governance. This technology could cool the planet while...10 Jul, 2026, 11.04 PM IST
- Cleaner city design can cool Barcelona by up to 1.75°C, but new white roofs and parks still cannot offset the more than 6°C warming scientists project by 2100, leaving heat risk high in the neighborhoods that need help mostAmerican cities are facing a deadly surge in heat-related deaths, with fatalities more than doubling since 1999. A new study reveals that w...23 Jun, 2026, 05.02 PM IST
- No AC needed! What is this 'smart paint' developed by scientists that reflects 97% of sunlight & even collects water from air?Scientists have developed an experimental "smart paint" that reflects up to 97% of sunlight, significantly cooling surfaces and reducing th...31 May, 2026, 12.50 PM IST
- White supremacy, of the coolest kind: Unveiling the heat-radiating LWDPainting the town white will soon become the hottest trend.17 Apr, 2021, 09.31 AM IST
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