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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 ...
Environmental Date Date(s) National Bird Day: January 5 International Zebra Day: January 31 World Wetlands Day: February 2 World Ostrich Day [3] [4] February 2 World Marmot Day [5] [6] February 2 World Pangolin Day [7] [8] Third Saturday of February World Whale Day [9] Third Sunday of February World Bonobo Day [10] [11] [12] February 14 World ...
A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, the final minute, and the final second. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.
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.
Themed “Our Shared Home,” this year’s Call to Earth Day focuses on bridging the gap between humans and wildlife. Over 200,000 participants, including 235 schools, took part this year.
The year 2023 was recorded as the hottest year on record. The global average temperature increased by 2.7 degrees Fahrenheit (1.498 degrees Celsius) above the pre-industrial revolution average.
Earth Day 2024 is almost here. Here's everything to know about the day, its history and how it's celebrated.
The Yuan dynasty (13th/14th century) Shòushí calendar (授时历; 授时曆; 'teaching time calendar') used spherical trigonometry to find the length of the tropical year. [51] [52] [53] This calendar had a 365.2425-day year, identical to the Gregorian calendar. [54]