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Topic: History of Earth


  
  History of Earth Sciences Society - Paleontology, Geology and Mineralogy
History of Earth Sciences Society - Paleontology, Geology and Mineralogy
the gap between the humanities and the sciences is bridged by some historians interested in the history of earth science, and by some geoscientists interested in the history of their fields.
Second, because the history of earth science is a global topic, a national group or a commission with limited membership may not be suitably flexible.
historyearthscience.org   (344 words)

  
  History of Earth - Wikipedia, the free encyclopedia
The history of Earth covers approximately 4.567 billion years (4,567,000,000 years), from Earth’s formation out of the solar nebula to the present.
Earth formed as part of the birth of the solar system: what eventually became the solar system initially existed as a large, rotating cloud of dust and gas.
Earth's early atmosphere would have comprised surrounding material from the solar nebula, especially light gases such as hydrogen and helium, but the solar wind and Earth's own heat would have driven off this atmosphere.
en.wikipedia.org /wiki/History_of_Earth   (6218 words)

  
 Heat history of the earth
If the earth had grown simply from the random accumulation of planetismals it would have been homogeneous - more or less made of the same material throughout, and the earth cross section to the right would be a uniform blob with no structure.
All of the geological activity on the earth today is driven from this initial source of heat at the earth's formation, aided and abetted by continued radioactive decay of elements in the earth's interior.
The earth cooled from the outside in, and the still molten iron-nickle core are the remnants of that heat from the early stage of melting.
csmres.jmu.edu /geollab/Fichter/PlateTect/heathistory.html   (1066 words)

  
 History of Earth   (Site not responding. Last check: 2007-10-07)
Earth is not the stable, life sustaining platform, nor human civilization nearly as robust as we like to think.
Earth a significant layer of ocean water between organisms and the sun may have been necessary to effect protection from ultraviolet radiation.
Allègre, C.J., Schneider, S.H. The evolution of the Earth.
www.mansfield.ohio-state.edu /~sabedon/biol1010.htm   (2361 words)

  
 The History of Middle-earth - Wikipedia, the free encyclopedia
The History of Middle-earth is a 12-volume series of books published from 1983-1996, that collect and analyze material relating to the fiction of J.
Christopher Tolkien has documented the history of the writing of the Middle-earth stories in as much detail as his father documented the fictional history of Middle-earth itself.
However, numerous unpublished texts are still known to exist in the Bodleian and Marquette University libraries and in other papers held by individuals, such as the Elvish Linguistic Fellowship.
en.wikipedia.org /wiki/The_History_of_Middle-earth   (356 words)

  
 Earth Day History   (Site not responding. Last check: 2007-10-07)
For many years prior to Earth Day, it had been troubling to me that the state of our environment was simply a non-issue in the politics of our country.
The objective was to get a nationwide demonstration of concern for the environment so large that it would shake the political establishment out of its lethargy and, finally, force this issue permanently onto the national political agenda.
The people cared, and Earth Day became the first opportunity they ever had to join in a nationwide demonstration to send a big message to the politicians--a message to tell them to wake up and do something.
www.earthdaysac.org /earthdayhistory.htm   (439 words)

  
 All About Earth Day
It was obvious that we were headed for a spectacular success on Earth Day.
Earth Day worked because of the spontaneous response at the grassroots level.
As the father of Earth Day…He inspired us to remember that the stewardship of our natural resources is the stewardship of the American Dream.
earthday.wilderness.org /history   (859 words)

  
 The Green Life: Earth Day: Earth Day History   (Site not responding. Last check: 2007-10-07)
American Heritage Magazine called the inaugural Earth Day "one of the most remarkable happenings in the history of democracy." Indeed, its exhibition of widespread environmentalism was the impetus behind the creation of the Environmental Protection Agency and the passage of landmark legislation such as the Clean Air Act, Clean Water Act and Endangered Species Act.
Earth Day USA’s corporate fundraising plans didn’t just backfire on the group itself, they debased the reputation of Earth Day on what was supposed to be a momentous occasion.
In 2005, Earth Day will reach another significant milestone, its 35th anniversary, known to those who reach it as the "coral anniversary." The coral reefs in the world’s oceans are dying, victims of global warming.
www.thegreenlife.org /earthdayhistory.html   (1219 words)

  
 Earth Floor: Diversity
Earth abounds with many, many different kinds of living things: butterflies, mushrooms, starfish, eagles, sharks, redwood trees, caterpillars, ferns, amoebas, seaweed, lions, and tigers, and bears ("Oh my!").
The mold growing on your bread, the trees growing on your street, the insects buzzing about in your room, the pets sleeping by your bed, and you, yourself, are all members of a single type of life that descended from the same source.
All life on Earth is made of single cells or groups of cooperating cells.
www.cotf.edu /ete/modules/msese/earthsysflr/diversity.html   (322 words)

  
 Global Warming, Environmental Movement at Earth Day Network
Earth Day founder Gaylord Nelson, then a U.S. Senator from Wisconsin, proposed the first nationwide environmental protest "to shake up the political establishment and force this issue onto the national agenda.
Earth Day 1970 achieved a rare political alignment, enlisting support from Republicans and Democrats, rich and poor, city slickers and farmers, tycoons and labor leaders.
Earth Day 1990 gave a huge boost to recycling efforts worldwide and helped pave the way for the 1992 United Nations Earth Summit in Rio de Janeiro.
www.earthday.net /resources/history.aspx   (612 words)

  
 Changing Views of the History of the Earth
He would have answered that the Earth was ancient, that there had not been a Noachian flood, and that the species of life had not been fixed over the history of Earth.
In Europe the issue of the age of the Earth was not a serious one prior to the rise of science; the history of the Earth was assumed to be accounted for in Genesis.
Using Descartes's cosmology, the assumption that the earth was once entirely flooded, and the observation that the sea level was dropping three inches per century near his home, he calculated the age of the earth to be greater than 2 billion years.
www.talkorigins.org /faqs/geohist.html   (5539 words)

  
 TDEC - Earth Day History
The first Earth Day brought about the creation of the United States Environmental Protection Agency (EPA), formed to protect human health and safeguard the natural environment.
The Earth Day event of 1970 changed the way we lived in and thought about our environment.
Today, Earth Day is celebrated in every state of the US, as well as over 184 countries, including Poland, Italy, Spain, Japan, the UK, Israel, South Africa, Kenya, and Brazil to name a few.
www.state.tn.us /environment/earthday/history2.html   (488 words)

  
 History Of Earth Shelter Developers
Earth Shelter Developers has been in the Interlocking Concrete Paving Stone and Modular Retaining Wall business since the early 80's.
Earth Shelter Developers has put together a team of top people in key positions to help in the growth of the paving stone industry.
Earth Shelter Developers has installed and/or contracted to install, more than 3,000,000 square feet of 100mm (4 inch thick) pavers for the container terminals.
www.earthshelterdevelopers.com /history.htm   (216 words)

  
 A History of Earth Day
For several years, it had been troubling me that the state of our environment was simply a non-issue in the politics of the country.
Earth Day worked because of the spontaneous response at the grassroots level.
As the father of Earth Day…He inspired us to remember that the stewardship of our natural resources is the stewardship of the American Dream.
www.wilderness.org /Library/Documents/earthdayhistory.cfm   (891 words)

  
 Geologic History of Earth
In the very beginning of earth's history, this planet was a giant, red hot, roiling, boiling sea of molten rock - a magma ocean.
The continual changing and reshaping of the earth's surface that involves the melting down and reconstructing of old rock has pretty much eliminated most of the original rocks that came with earth when it was newly formed.
Alternately, the earth's climate has also experienced periods of extremely cold weather for such prolonged periods that much of the surface was covered in thick sheets of ice.
www.extremescience.com /earth.htm   (994 words)

  
 Global Warming, Environmental Movement at Earth Day Network
Earth Day founder Gaylord Nelson, then a U.S. Senator from Wisconsin, proposed the first nationwide environmental protest "to shake up the political establishment and force this issue onto the national agenda.
Earth Day 1970 achieved a rare political alignment, enlisting support from Republicans and Democrats, rich and poor, city slickers and farmers, tycoons and labor leaders.
Earth Day 1990 gave a huge boost to recycling efforts worldwide and helped pave the way for the 1992 United Nations Earth Summit in Rio de Janeiro.
www.earthday.org /resources/history.aspx   (598 words)

  
 Rammed Earth History
No doubt alterations took place as methods were traded, but rammed earth was pushed as far as England, and today, almost every European country as a history of rammed earth construction.
It is believed that a number of the antebellum southern mansions are of rammed earth, but on one has done a case by case study to determine this.
Documentation of early rammed earth structures in the United States would no doubt show that they were all built in climates we ordinarily do not associate with earth construction, and yet the proof is there - as it is in Europe, that rammed earth is suitable for both wet and dry climates.
www.adobe-home.com /html/rammed_earth_history.html   (1100 words)

  
 Geologic Time
The beginning of the Eocene was a period when the Earth was very hot, with palm trees and alligators at the north pole.
By the end of the Paleozoic, and beginning of the Mesozoic, all the continents of the Earth came together to form the giant continent called PANGAEA and dinosaurs began to roam on land.
The oldest fossils are of bacteria/archaea dating from 3000 M. The oldest rock is dated at 3800 M. The Earth is thought to be 4600 M years old.
www.windows.ucar.edu /tour/link=/earth/past/geologic_time.html   (385 words)

  
 Earth History Summary   (Site not responding. Last check: 2007-10-07)
The surface of the Earth was constantly being hit by objects from space, called comets and planetesimals.
The surface of the Earth was probably a very violent and hostile place.
The surface of the Earth was still being hit by comets and planetesimals.
warrensburg.k12.mo.us /ew/ehissumm.html   (1346 words)

  
 Earth Society Foundation
The Earth Society Foundation was established by John McConnell and Margaret Mead to foster worldwide participation in the peaceful care of Earth, and to promote the annual celebration of Earth Day on the Equinox (March 20-21).
Helen Garland is the Chairperson of the Earth Society Foundation, and Thomas C. Dowd is the President.
The Earth Society Foundation, Inc. (http://www.earthsocietyfoundation.org), incorporated in the State of New York, is the original and solely legitimate organization preserving the celebration of Earth Day (Spring Equinox, March 20-21) with the ringing of the Peace Bell at UN Headquarters in New York City.
www.earthsocietyfoundation.org   (169 words)

  
 Earth Day   (Site not responding. Last check: 2007-10-07)
Earth Day was firmly established for all time on a sound basis as an annual event to deepen reverence and care for life on our planet.
While other dates have been called Earth Day it is obvious that a singular Earth Day is needed and that the original choice of nature's day is best.
In the midst of this will be Earth Day, where the United Nations Peace Bell rings at the moment Spring begins and hearts and minds join all over the world.
www.earthsite.org /day.htm   (437 words)

  
 earthshistory
There is earth history in relationship, to Inanna, that will help bring earth history more into the intimacy and personal level it deserves.
To give you the complete picture of Earth's history, we have to go back 35 million years ago, when heaven did exist on this planet, before the dark forces came to being (was there a fallen angel?).
What is important in all these cases is the facts are the same where Human History is concerned, and all of this history is recorded in Earth's Akashic records and available to anyone who can access it.
www.homestead.com /_allaboutlife/earthshistory.html   (612 words)

  
 OuterSpace - The history of Earth
Thus it came to be that while the peoples of Earth still struggled with the constraints of limited amounts of real-estate offered by a single habitable planet, a reality of galactic magnitude intruded upon humanity with a great splash.
Eventually several Earth threatening asteroids were captured and gently lowered into the ocean to lay a foundation for the capital that came to be known as the Residence.
This residence is still being built by the inhabitants of Earth but despite it being unfinished it is already a matter of pride for its builders and it inhabitants.
mud.stack.nl /earth/history.html   (1204 words)

  
 Earth's Early History
The answer may be that the elements in the earth occur in the form of compounds having various melting points, chemical activities, and densities.
The mantle of the earth, between the crust and the core became the reservoir presumably because magnesium-iron silicates melt less easily than the feldspars, so the principal minerals in the mantle seem to be olivine and pyroxene.
Presumably most of the earth's gold and platinum---inert as far as oxygen is concerned-sank to the core, while other heavier elements such as uranium and thorium formed lighter oxides which rose to accumulate in the crust.
www.ldolphin.org /Early.html   (2128 words)

  
 Earth Day Fact Sheet: The History of Earth Day
The first Earth Day represented the culmination of growing public concern over a series of well-publicized environmental disasters in the late 1960s.
That Earth Day event set the stage for the creation of the Environmental Protection Agency (EPA) and the adoption of major environmental laws such as the Clean Air and Clean Water Acts.
As a result of such improvements, environmentalists say that it is increasingly difficult to mobilize people to address the movement's new goals, such as reducing "greenhouse gas" emissions to deal with the alleged threat of man-made global warming.
www.nationalcenter.org /EarthDay00History.html   (331 words)

  
 Science and Earth History
Recent creationists (sometimes called young earth creationists) hold to what they consider to be the simple or plain reading of the text.
Sometimes called the "day-age" theory, progressive creationists see the "days" of Genesis 1 representing periods of time during which God created the universe, earth, and man. Thus the six days of creation are six geological eras, broadly understood to correspond to the presumed evolutionary history of the earth.
In this view Genesis 1 not a narrative of natural history, to be compared with the most recent accounts of how scientists think life on earth developed.
www.northave.org /MGManual/Erthhis/Erthhis1.htm   (802 words)

  
 History of Earth Day
One of the three major objectives of this conference is to "Build on Earth Day." To provide some foundation a brief history of Earth Day and its purpose might be helpful.
For many years prior to Earth Day, it had been troubling to me that the critical matter of the state of our environment was simply a non-issue in the politics of our country.
I sent an Earth Day article to all of the college newspapers explaining the event, and one to Scholastic Magazine, which went to most of out grade and high schools.
www.wpi.edu /News/TechNews/950418/EARTH3.html   (876 words)

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