May 26, 2023
City in Sierra Leone covers buildings in mirrors to fight extreme heat
People in Freetown, Sierra Leone, are increasingly exposed to extreme heat due
People in Freetown, Sierra Leone, are increasingly exposed to extreme heat due to climate change and the urban heat island effect, but covering homes in a reflective film significantly cut indoor temperatures
By James Dinneen
3 June 2023
Reflective film installed on the roofs of two buildings in Freetown, Sierra Leone
MEER
Tens of thousands of people in Freetown, Sierra Leone, live in informal settlements dense with metal and concrete buildings that trap heat and make heatwaves more dangerous. An experiment has shown that covering such buildings with a cheap mirrored film can substantially reduce the temperature inside.
Since becoming the chief heat officer of Freetown in Sierra Leone, Eugenia Kargbo has experimented with all kinds of ways to protect the city from heat. When a group of researchers …
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