Cities worldwide turn off their lights to mark Earth Hour
Cities around the world were turning off their lights Saturday for Earth Hour, with this year's event highlighting the link between the destruction of nature and increasing outbreaks of diseases like COVID-19.
from Phys.org - latest science and technology news stories https://ift.tt/3cpiZR4
from Phys.org - latest science and technology news stories https://ift.tt/3cpiZR4
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