Earth Hour 2020: Switch Off for an Hour | News | Office of Sustainability | University of Notre Dame
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Earth Hour 2023
Earth Hour 2019: Turning off lights won't save the planet but these 'green' actions will - National | Globalnews.ca
10 non-powered activities for Earth Hour 2020 | PaperCut
Earth Hour 2023: What time to turn off the lights and what should you do? | Marca
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Landmarks across UK switch off lights to mark Earth Hour - LBC
Cities around the world turn off lights to mark Earth Hour | MPR News
Earth Hour | Safety
 "Earth Hour Day: Timings And How You Can Take Part")
Earth Hour Day: Timings And How You Can Take Part
Earth Hour 2020 – Turn lights off for our planet on March 28 at 20:30
Earth Hour 2019: Why You Should Turn Your Lights Off, and When to Do It
Earth Hour: landmarks go dark to highlight plight of planet | Earth Hour | The Guardian
Millions to switch off lights for 'Earth Hour' | The Independent | The Independent
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Earth Hour: landmarks go dark to highlight plight of planet | Earth Hour | The Guardian
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Earth Hour: landmarks go dark to highlight plight of planet | Earth Hour | The Guardian
Earth Hour: Switch Off Lights At 8.30 Tonight To Shape A Bright Future For All - odishabytes
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Saturday 19th : Earth hour day… Turn off your lights for 1 hour…
Earth Hour 2020: #StayTheFHome and Switch Off The Lights For The Planet
Earth Hour: Why people across the world are turning their lights off | CNN
The Power of Switching Off: Follow Earth Hour Today To Combat Climate Change | OPINION
