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[4] [5] [6] According to Hayes: "Without the UAW, the first Earth Day would have likely flopped!" [7] Nelson was later awarded the Presidential Medal of Freedom award in recognition of his work. [8] [9] The first Earth Day was focused on the United States. In 1990, Denis Hayes, the original national coordinator in 1970, took it international ...
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 itself.
Entrance to NCERT campus on Aurobindo Marg, New Delhi. The National Curriculum Framework 2005 (NCF 2005) is the fourth National Curriculum Framework published in 2005 by the National Council of Educational Research and Training (NCERT) in India. Its predecessors were published in 1975, 1988, 2000.
Bhumi Devi is the goddess of Earth in Hinduism, [7] influenced by Graha. The Tuluva people of Tulunadu in Southern India celebrate a Three Day "Earth Day" called Keddaso. This festival comes in usually on 10th,12th,13 February every Calendar year. In Norse mythology, the Earth giantess Jörð was the mother of Thor and the daughter of Annar. [8]
The Earth Summit was a UN event.. The United Nations Conference on Environment and Development (UNCED), also known as the Rio de Janeiro Conference or the Earth Summit (Portuguese: ECO92, Cúpula da Terra), was a major United Nations conference held in Rio de Janeiro from 3 to 14 June 1992.
Until then, all maps had used a rectangular grid with latitude and longitude as straight lines intersecting at right angles. [ 4 ] : 543 [ 5 ] : 90 For large areas this leads to unacceptable distortion, and for his map of the inhabited world, Ptolemy used projections (to use the modern term) with curved parallels that reduced the distortion.
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
John McConnell was born on March 22, 1915, in Davis City, Iowa, United States.He was the son of a Pentecostal preacher [9] and traveling doctor. [6] His first interest in the Earth began in 1939 while partnering with Albert Nobell, a chemist, in the Nobell Research Laboratory in Los Angeles that built a factory for the manufacture of plastics. [6]