Drivers urged to consider repainting their cars | Tech News
Dr Márcia Matias and colleagues performed the examine and recommended that the city heat island impact, a phenomenon the place cities develop into considerably hotter than their surrounding rural areas due to human-made supplies that take up and retain heat, might be considerably boosted by vehicle color.
“Now picture thousands of cars parked across a city, each one acting like a little heat source or a heat shield,” Dr Matias defined, including, “Their colour can actually shift how hot the streets feel.”
The researcher suggests fleets of taxis, supply vans or different autos adopting lighter shades of paint to help cut back the impact.
A 2022 examine, printed by JRC Publications Repository, proposed that cities had been generally up to 10-15°C hotter in contrast to more rural areas on the identical day.
As roughly 80% of Brits reside in city areas, Dr Matias worries the city heat island impact might develop into a urgent public health concern throughout the UK and Europe.
Another examine discovered that round 1,500 people, throughout 12 European cities, had been killed by human-caused climate change during 2024 heatwaves in June and July, in accordance to scientists at Imperial College London and the London School of Hygiene & Tropical Medicine.
But, efforts are being made by some cities to counteract the injury brought on by intensifying heat, comparable to Barcelona, which has launched designated climate shelters – public buildings together with faculties, libraries or museums, present respite from the solar for residents during heatwaves.
Dr Matias and fellow researchers consider that repainting darkish cars in Lisbon to lighter shades might double the reflectivity of sure streets from round 20% to round 40%, reducing near-surface air temperatures on hotter days.
Climate researcher on the University of North Carolina, Sarah Berk added that “Vehicles are a surprisingly overlooked piece of the urban heat puzzle,” noting that more time is spent researching how to utilise reflective roofs or lighter pavements.
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