Earth Hour is a worldwide movement organized by the World Wildlife Fund (WWF). The event is held annually, encouraging the individuals, communities, and...

"establish[ed] the stakes going into the next four hours". The third-hour death of Barry Allen from Earth-90 was "a way to honor what was said [by] the Monitor...

constant due to long term variations in the Earth's rotation, the hour was finally separated from the Earth's rotation and defined in terms of the atomic...

around its own axis in slightly less than a day (in about 23 hours and 56 minutes). Earth's axis of rotation is tilted with respect to the perpendicular...

22 Earth Group, a former Croatian fine arts collective Earth Hour, annual symbolic environmental event Google Earth, interactive view of the earth, made...

addition, WWF has launched several notable worldwide campaigns, including Earth Hour and Debt-for-nature swap, and its current work is organized around these...

instrumental "New Earth Anthem". In 2012, Andrew Huang wrote a pop song titled "When The Lights Go Down" for WWF-Canada. This Earth Hour anthem contained...

Arbor Day Carbon footprint "Earth", a song by Lil Dicky Earth Anthem Earth Charter Earth Hour Earth Overshoot Day Earth Strike Ecology Flag Environmental...

cycles of hours. In the case of years, the cycle of twelve corresponds to the twelve-year cycle of Jupiter. In the case of the hours, the twelve hours represent...

meridian to the hour circle passing through the object. Unlike right ascension, hour angle is always increasing with the rotation of Earth. Hour angle may be...