What if we put solar panels on every roof in the world?
Scientists set out to explore the impact of covering every rooftop on Earth with solar panels.Their research found that swapping traditional energy sources for rooftop solar could actually cool the planet—lowering global temperatures by up to 0.13°C.
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Optimal Houses
Are UV air purifiers worth it? | IQAir
Should I get a UV air purifier? Short answer: No. Don’t buy a UV light air purifier or any air purifiers that use UV light as a key part of their purification mechanism. It’s dangerous and doesn’t work that well, especially without the use of other proven air filtration methods. Long answer: UV disinfection simply doesn’t work at the velocity that air needs to be pulled through a purifier to filter pollutants. Bacterial and viral matter need to be exposed to UV light for a certain amount of t
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