![Earth Hour 2020: Switch Off for an Hour | News | Office of Sustainability | University of Notre Dame Earth Hour 2020: Switch Off for an Hour | News | Office of Sustainability | University of Notre Dame](https://green.nd.edu/assets/364930/600x/earth_hour.jpg)
Earth Hour 2020: Switch Off for an Hour | News | Office of Sustainability | University of Notre Dame
![Earth Hour campaign poster or banner turn off your lights for our planet 60 minutes 1437195 Vector Art at Vecteezy Earth Hour campaign poster or banner turn off your lights for our planet 60 minutes 1437195 Vector Art at Vecteezy](https://static.vecteezy.com/system/resources/previews/001/437/195/original/earth-hour-campaign-poster-or-banner-turn-off-your-lights-for-our-planet-60-minutes-free-vector.jpg)
Earth Hour campaign poster or banner turn off your lights for our planet 60 minutes 1437195 Vector Art at Vecteezy
![Earth Hour Day Banner with Switch Turn Off the Lights Around the Earth Vector Design Stock Vector - Illustration of design, minute: 176800052 Earth Hour Day Banner with Switch Turn Off the Lights Around the Earth Vector Design Stock Vector - Illustration of design, minute: 176800052](https://thumbs.dreamstime.com/z/earth-hour-day-banner-switch-turn-off-lights-around-earth-vector-design-earth-hour-day-banner-switch-turn-off-176800052.jpg)
Earth Hour Day Banner with Switch Turn Off the Lights Around the Earth Vector Design Stock Vector - Illustration of design, minute: 176800052
![Earth Hour Day Banner With Earth Character Sleep After Turn Off Light Vector Design Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 142368845. Earth Hour Day Banner With Earth Character Sleep After Turn Off Light Vector Design Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 142368845.](https://previews.123rf.com/images/ongkachakon/ongkachakon2003/ongkachakon200300031/142368845-earth-hour-day-banner-with-earth-character-sleep-after-turn-off-light-vector-design.jpg)