Chicago planted a 20,300-square-foot green roof on City Hall; EPA says its surface can be about 100°F cooler than nearby conventional roofs and saves nearly $5,000 in energy each yearChicago's City Hall green roof demonstrates substantial cooling and energy savings. This innovative rooftop garden reduces surface temperat...
09 Sep, 2026, 02.10 PM IST
Philadelphia installed white roofs on about 340 low-income seniors’ homes from 2001–2003; ceiling temperatures fell 4–5°F, and air-conditioning electricity use fell by 560 kWh per yearIn Philadelphia, the initiative to paint roofs white resulted in a remarkable decrease in home temperatures and energy consumption. This co...
09 Sep, 2026, 01.50 PM IST
A Berkeley Lab study compared two Fresno homes for a year; the reflective tile roof ran 13.8°C cooler on a summer day, cut cooling electricity by 26%, and peak demand by 37%In Fresno, California, a comparative analysis of two houses revealed the advantages of reflective tile roofing. The home adorned with this ...
08 Sep, 2026, 06.40 PM IST
A Fresno home replaced dark asphalt shingles with reflective concrete roof tiles; a Lawrence Berkeley study reported 26% lower annual cooling energy use and 37% lower peak-hour demandA recent study in Fresno demonstrated that reflective roofs could lower cooling energy consumption by an impressive twenty-six percent. Hom...
08 Sep, 2026, 01.00 PM 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
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
US diesel prices hit a record high, pushing up transportation costs for a long list of goodsDiesel prices soared to unprecedented levels in the United States on Friday, primarily due to the six-month conflict involving Iran. This r...
04 Sep, 2026, 06.41 PM IST
US diesel prices hit a record high of $5.85 as Iran war disrupts the flow of fuelUS Iran war: Diesel fuel has reached an unprecedented average price of $5.85 per gallon. This surge is directly linked to the ongoing six-m...
04 Sep, 2026, 02.39 PM IST
In 2007, Oak Ridge built a roof with phase-change material between foil layers; attic temperatures fell about 22°F, with utility savings estimated at 8%Developed by Oak Ridge National Laboratory, innovative attic technology utilizing phase change materials has proven to lower attic temperat...
04 Sep, 2026, 01.00 PM IST
Blackouts and bigger bills: Pakistan's energy dilemma deepens as Middle East war hurts supplyPakistan’s energy crisis is worsening as disrupted LNG supplies and soaring spot prices force Islamabad to choose between expensive fuel an...
03 Sep, 2026, 10.12 AM 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 2021, Berkeley Lab made a roof coating that switches at 67°C. Today, it beats existing coatings in 12 of 15 US climate zones, cutting household electricity use 10%Installing TARC could help the average U.S. household reduce electricity consumption by up to 10 percent annually. Another advantage of TAR...
01 Sep, 2026, 08.31 PM IST
Notre Dame engineers tested a clear window coating that filters solar heat; model interiors stayed up to 7.2°C cooler without electricityInnovators have developed a cutting-edge transparent coating that effectively blocks solar heat while still allowing natural light to perme...
30 Aug, 2026, 03.20 PM IST
In 2019, Buffalo scientists coated aluminum film with a cooling polymer; a small prototype cooled an enclosed box by 11°F by day and 20°F at nightScientists have engineered a cost-effective film utilizing aluminum foil combined with a polymer layer. This innovative film actively cools...
30 Aug, 2026, 03.10 PM IST
In 2023, researchers modeled fluid-filled microchannel windows; computer simulations estimated the liquid system could cut building energy use by 43 percentResearchers are developing innovative liquid windows that can control heat and light transmission. These tunable windows could potentially ...
30 Aug, 2026, 01.50 PM IST