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Earth Hour - Wikipedia
Watch: Famous landmarks around the world power down for Earth Hour. - BBC
Earth Hour 2024 sees millions unite around the world in support …
The Biggest Hour for Earth
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The largest global environmental movement Earth Hour returns …
WWF's Earth Hour launches the Biggest Hour For Earth
Earth Hour | Join the movement | WWF - World Wildlife Fund
Earth Hour 2022: A Moment of Solidarity for People and Planet