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Earth Hour is a worldwide movement organized by the World Wildlife Fund (WWF). The event is held annually, encouraging the individuals, communities, and businesses to give an hour for Earth, and additionally marked by landmarks and businesses switching off non-essential electric lights, for one hour from 8:30 to 9:30 p.m., usually on the last Saturday of March, as a symbol of commitment to the ...
Every year for one hour in March, lights are turned off in homes, businesses and world monuments to raise awareness about climate issues facing our planet. Lights go out around the globe to ...
Saturday makes the 10th annual Earth Hour, a global lights-out event designed to highlight the threat from climate change.
Earth Day: April 22 International Pallas's Cat [45] [46] [47] April 23 World Day for Laboratory Animals: April 24 World Tapir Day [48] [49] [50] April 27 International Hyena Day [51] [52] April 27 Day of Remembrance for all Victims of Chemical Warfare: April 29 Green Up Day: First Saturday of May in Vermont World Tuna Day [53] [54] [55] May 2
Earth Day is an annual event on April 22 to demonstrate support for environmental protection.First held on April 22, 1970, it now includes a wide range of events coordinated globally by EARTHDAY.ORG (formerly Earth Day Network) [1] including 1 billion people in more than 193 countries.
A zeitgeber (/ ˈ (t) s aɪ t ɡ eɪ b ər, ˈ z aɪ t-/ (T)SYTE-gay-bər, ZYTE-, German: [ˈtsaɪtˌɡeːbɐ]) is any external or environmental cue that entrains or synchronizes an organism's biological rhythms, usually naturally occurring and serving to entrain to the Earth's 24-hour light/dark and 12-month cycles.
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The U.S. Department of Agriculture says that many foods shouldn't be left out of the refrigerator for longer than an hour, and that no refrigerated food should be left out longer than two hours.