Lights out in Sydney for Earth Hour conservation campaign
The Sydney Opera House and the Harbour Bridge were plunged into darkness for an hour Saturday to raise awareness about climate change and its impact on the planet's vanishing biodiversity.
from Phys.org - latest science and technology news stories https://ift.tt/2JNpJvB
from Phys.org - latest science and technology news stories https://ift.tt/2JNpJvB
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