128
Turns out all we may need to stop climate change is 139 billion gallons of super-duper white paint
(www.businessinsider.com)
this post was submitted on 16 Jul 2023
128 points (94.4% liked)
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Terrible article. It even leads with a photo to mock the idea.
The benefits of painting a home's roof with any white paint are enough to justify making it the standard. The article doesn't even mention that the super white paint can reduce indoor temperature by 8 or more degrees. That's a lot of energy not needed to cool the home. Even more effective is placing a second white roof above the roof on posts to shield it from solar heat. It would make sense to make a secondary roof solar panel ready. It would also extend the lifespan of the original roof.
"The paint's properties are almost superheroic. It can make surfaces as much as eight degrees Fahrenheit cooler than ambient air temperatures at midday, and up to 19 degrees cooler at night, reducing temperatures inside buildings and decreasing air-conditioning needs by as much as 40 percent.โ
https://www.nytimes.com/2023/07/12/climate/white-paint-climate-cooling.html
The article sounds like a hit job to ridicule a simple and effective idea.