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PASSIVE COOLING SOLUTIONS
Rains Raksha in India may not be enough to fight $250 billion heat bill- In 2017, CU Boulder engineers turned glass microspheres into a 50-microliter film; 10 to 20 square meters of it could help cool a family-sized house
- In 1992, deadly category 5 Hurricane Andrew caused massive destructions in Florida, 34 years later as rising sea level flooding threatens nearly 40 per cent of U.S. population, Miami, other areas are showing how to be ready for doomsday
- In 2024, scientists built a window that kept a model house about 7°C cooler, without electricity or blocking the viewEngineers in South Korea have developed an innovative smart window that cools spaces sans electricity. This remarkable glass not only refle...19 Aug, 2026, 02.10 PM IST
- In 2023, scientists built a rooftop tile that opens its cooling vents when hot and closes them when cold, using no electricity and cutting cooling costs 3.1-foldInnovative engineers have created high-tech roof tiles that adjust themselves to optimize building temperatures automatically. By utilizing...19 Aug, 2026, 01.50 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
- Austrian researchers 3D-printed porous ceramic cubes for passive cooling; one water-filled prototype cooled nearby air by nearly 7°C without electricityResearchers from Austria have created groundbreaking 3D-printed ceramic cubes designed for passive cooling applications. Utilizing the prin...10 Aug, 2026, 05.25 PM IST
- German scientists created a sponge-like material that could pull 1.8 liters of drinking water from dry air every day, turning desert air into a potential drinking-water sourceResearchers have developed a groundbreaking material that can absorb moisture from arid air and act as a highly efficient coolant for air c...08 Aug, 2026, 06.39 PM IST
- India among 4 countries with largest number of cities at-risk from extreme heat, analysis findsIndia, Pakistan, Nigeria, and Ghana host many cities at extreme heat risk. Over ninety-five percent of these at-risk cities are in Asia and...10 Jul, 2026, 05.39 PM IST
- Are data centres uncool? Questions over AI's ecological trade-off are growing louder but solutions may be emergingAI's environmental strain from data centers and resource exploitation is causing growing public concern. Communities face water shortages a...09 Jul, 2026, 11.37 PM IST
- These windows keep homes cool by 5°C: Scientists develop special glass that reduces AC use and electricity billsNew transparent cooling technologies are being developed for windows. These advanced coatings reflect unwanted solar heat while allowing in...09 Jul, 2026, 03.29 PM IST
- Growing heat needs affordable coolingAs record-breaking heatwaves sweep across Europe and Asia, the spotlight is cast on the urgent necessity for innovative cooling strategies ...26 Jun, 2026, 10.55 PM IST
- Scientists just made an all-silk cooling textile that reflects 94.8% of sunlight and lowers skin temperature by 4.3 °CScientists have engineered a revolutionary silk fabric, dubbed SilkNT, that cools the skin by an impressive 4.3°C without any batteries or ...23 Jun, 2026, 05.01 PM IST
- Forget ACs: This Delhi couple's home stays cool even in 45°C heat. Here's how they did it naturallyIn Delhi's sweltering heat, one couple's 40-year-old home stays cool without heavy AC reliance. Their residence utilizes traditional archit...03 Jun, 2026, 03.38 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
- 'Fuel that should drive urban planning': Anand Mahindra praises Jodhpur's 'zero-AC' cooling shelter that remains 8°C cooler even in 50°C heat. Know all about this innovationJodhpur has developed a net-zero cooling shelter under its Heat Action Plan to help people cope with rising heatwaves without relying on tr...15 May, 2026, 05.24 PM IST
- How electricity-free cooling could power India’s next green tech revolutionIndia faces record heat, increasing electricity demand. A new electricity-free cooling technology uses reflective coatings to reduce temper...29 Oct, 2025, 05.58 PM IST
- Heat-protect workers, keep your biz coolAmidst India's heatwave, companies like Amazon and Flipkart are urged to protect outdoor workers from heat-related illnesses. Initiatives s...22 Apr, 2025, 10.26 PM IST
- Cooling solutions startup Tan90 raises Rs 11.3 crore in fundingThe company is looking to expand overseas with a particular focus on Southeast Asia. It is also planning to enter tier-2 cities in India to...31 May, 2023, 10.36 PM IST
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