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DARK ROOFS
Putting a plastic bottle filled with water on your roof: 30+ countries use this unusual trick; here’s what it does and how to use it correctly- In 1991, researchers coated a Merritt Island home’s green-gray shingle roof with reflective material; the shingles reached about 110°F after treatment
- In St. Paul, Penfield added a vegetated roof over a conventional membrane; monitoring found the green-roof membrane peaked about 51°F cooler than the conventional roof
- Irvine coated a half-mile stretch of two connected streets with cool pavement; August and September measurements found the treated asphalt ran about 7-10°F coolerCities worldwide are turning to cool pavement technologies to tackle urban heat. In Irvine, California, treated roads have experienced a re...06 Sep, 2026, 01.10 PM IST
- Since 2016, San Antonio has replaced dark roofs on low-income homes with reflective shingles; the program was linked to lower attic temperatures and electricity useSan Antonio has launched an innovative project to replace traditional dark roofs with energy-efficient reflective roofing. This initiative ...06 Sep, 2026, 12.39 PM IST
- In 1996, Florida researchers whitened 7 shops in a Cocoa strip mall; roof surfaces fell by as much as 70°F, cooling energy dropped 25.3%, and peak demand dropped 40.3%In an innovative Florida trial, it was found that white roofs significantly decreased heat levels and energy usage. Traditionally, unpainte...06 Sep, 2026, 12.30 PM IST
- In 2001, researchers tested a white roof on a large Austin retail store; the study reported lower roof temperatures and an 11% reduction in cooling energy useA 2001 study in Austin demonstrated that white roofs lowered building temperatures significantly. This change reduced air conditioning ener...05 Sep, 2026, 01.40 PM IST
- In 2018, a University of Hawaii study compared green and white roofs in Honolulu; the green roof was reported to have lower peak temperatures at the surface and nearby airA University of Hawaii graduate student tested green roofs against white ones. The green roof proved significantly cooler than the adjacent...04 Sep, 2026, 02.00 PM IST
- The swan thieves by Elizabeth KostovaA desolate village lay under thawing snow as winter's grip tightened. Old men huddled near a cold fire ring, their hands too numb to warm. ...31 Aug, 2026, 11.53 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
- I saw death right in front of my eyes: Indian-American couple describes escape from Nepal floods that killed over 600Anjana Raja and Pattabiraman Venkatesan escaped a sudden mudslide near the Nepal-China border. The couple fled their tour bus as a massive ...29 Aug, 2026, 08.31 PM IST
- In 2025, researchers built a box from porous PMMA sheets that reflected 96% of sunlight; 80°F outdoor air measured 65.3°F inside without electricityInnovative materials scientists are exploring passive cooling techniques to lessen the demand for air conditioning. They have engineered a ...29 Aug, 2026, 07.40 PM IST
- UPenn researchers copied elephant skin in porous cement tiles; a mockup home stayed near 32°C versus 42°C and 52°C with commercial stucco surfacesResearchers developed innovative cement tiles inspired by elephant skin for passive cooling. These tiles feature engineered cracks that abs...28 Aug, 2026, 04.00 PM IST
- Berkeley Lab built a roof coating of vanadium dioxide that flips at 67°C; across 15 US climate zones, it outperformed existing coatings in 12 and cut household electricity by 10%A team of researchers has introduced an innovative roof coating designed to respond to changing seasonal temperatures. This cutting-edge ma...25 Aug, 2026, 06.30 PM IST
- In 2025, a Finnish builder spent about $20,700 and 200 days making a 36-foot plywood solar boat. Earlier in 2026, it crossed more than 3,000 nautical miles from the Baltic to Spain on sunlight aloneA Finnish builder spent about $20,700 and 200 days creating a lightweight 36-foot plywood solar boat designed around efficiency rather than...24 Aug, 2026, 11.27 PM IST
- Philadelphia painted black pavement with a light-coloured coating to fight extreme heat. A year later, researchers found one clear differenceTo tackle urban heat island effects, Philadelphia is trialing cool pavement solutions. In Hunting Park, a reflective light-colored coating ...24 Aug, 2026, 08.45 PM IST
- Inside Anupama Parameswaran’s Kerala home: Premam star’s elegant house features pure Keralite architecture, minimalistic decor and an indoor pondAnupama Parameswaran, who wowed the audience with her performance in films such as Premam, Karthikeya 2, etc., is the proud owner of a maje...21 Aug, 2026, 04.03 PM IST
- Stanford ran water beneath mirror-like rooftop panels; they cooled it 3–5°C below the surrounding air by sending heat into spaceResearchers at Stanford have created innovative panels that cool water exclusively using sunlight and mirrors. These panels effectively ref...21 Aug, 2026, 01.00 PM IST
- Russian missile, drone barrage kills at least 16 in Ukraine's Kyiv regionRussia launched a massive overnight aerial assault on Ukraine's capital, Kyiv. The attack, involving missiles and drones, resulted in at le...20 Aug, 2026, 05.00 PM IST
- The dangers of smoking in bedThe grandmother had an aversion to rain, often burying bottles as a talisman against storms. During heavy downpours, she'd lock the windows...17 Aug, 2026, 11.11 PM IST
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