Searched for
URBAN HEAT ISLAND
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 ...
AT&T painted two Nevada telecom roofs white; roof surfaces cooled 35–40°F, reached 12°F below outdoor air, and two buildings saved about 0.5 kWh of electricity a dayA study explored how white roofs reduced energy costs for AT&T communication buildings. Researchers observed significant roof surface tempe...
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 roofResearch reveals that green roofs maintain lower temperatures compared to conventional roofs, leading to significant reductions in cooling ...
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...
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 ...
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...
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...
In 1995, Florida researchers coated a Cocoa Beach school roof white; over the following year, chiller energy use fell 10%, saving 13,000 kWh, while peak demand fell 35%A study conducted in Florida revealed that white roofs can drastically lower cooling costs, marking a significant achievement in the realm ...
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 ...
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...
Rains Raksha in India may not be enough to fight $250 billion heat billExtreme heat poses a significant economic threat to India's workforce and GDP. Lost labor hours and reduced productivity impact both worker...
In 2024, a Dutch sports field stored rainwater beneath artificial turf, cutting surface temperatures by nearly 50% during summer testsResearchers developed a synthetic turf with a hidden water layer for cooling. This system significantly reduced surface temperatures compar...
Scientists tested reflective pavement through an Australian summer, and the road surface stayed cooler, but midday radiant heat increased above itA western Sydney trial revealed reflective roads cool surfaces but raise pedestrian temperatures. This study tracked the trade-off over a y...
In 2024, Phoenix City Council planned to plant over 27,000 new trees and build 550 new shade structures under a $60 million plan to combat extreme temperaturesIn 2024, Phoenix City Council planned to plant over 27,000 new trees and build 550 new shade structures under a $60 million plan to combat ...
Argonne modeled Chicago’s August 2021 heatwave with different roof types; white roofs lowered air temperature by nearly 2°C and cooling energy use by 16.6%Transforming the rooftops of Chicago into cooler surfaces has led to a notable reduction in city temperatures. The use of white cool roofs ...
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 doomsdayAs global average temperatures climb because of fossil fuel emissions, so do sea levels, making low-lying coastal cities vulnerable to floo...
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 ...
A reflective roof coating reduced peak roof temperature by 14.1°C and indoor temperature by 2.4°C; later research found evaporative cooling could add further benefitsInnovative roofing technologies are changing the game for building temperature regulation. By utilizing white reflective coatings, sunlight...
Over 2 years, across Miami-Dade, more than 9,000 trees reveal a hidden journey of heat: Mature canopies can pull temperatures down by 10°F, turning scorching streets into cooler urban spaces for residentsTrees offer significant cooling benefits to urban areas. FIU researchers found that tree canopy coverage can reduce temperatures by ten deg...
Morocco swapped scorching black asphalt for porous “sponge” pavement; the experimental surface ran up to 16°F cooler, offering cities a surprising new way to beat urban heatMorocco is testing permeable “sponge” pavement in selected urban areas of Marrakech and Agadir as cities look for ways to manage extreme he...