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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.
The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of the Earth's crust and the Earth
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
The history of Earth Day is rooted in politics. Millions of people across the country attended the first Earth Day in 1970 to advocate for environmental conservation.
Dive into Earth Day's rich history and global influence. Uncover its origins and ongoing relevance in shaping environmental consciousness.
A month is a unit of time, used with calendars, that is approximately as long as a natural phase cycle of the Moon; the words month and Moon are cognates.The traditional concept of months arose with the cycle of Moon phases; such lunar months ("lunations") are synodic months and last approximately 29.53 days, making for roughly 12.37 such months in one Earth year.
A variation of this analogy instead compresses Earth's 4.6 billion year-old history into a single day: While the Earth still forms at midnight, and the present day is also represented by midnight, the first life on Earth would appear at 4:00 am, dinosaurs would appear at 10:00 pm, the first flowers 10:30 pm, the first primates 11:30 pm, and ...
In Ohio, the entire month of April has been designated as Native Plant Month. On July 18, 2019, Governor Mike DeWine signed the bill into law that designates April as Ohio Native Plant Month.