how many years do we have on earth?
826729
its been millions of years
922012
No. It's a myth, started in the 70s\n\nhttp://www.prb.org/Template.cfm?Section=PRB&template=/Content/ContentGroups/02_Articles/0ct-Dec02/How_Many_People_Have_Ever_Lived_on_Earth_.htm
137406
they don't\na year is an amount of time defined by man equal to about 365.25 days, comprised of 24 hours each. a year could have just as easily been defined as a round rubber object you put on your vehicle to make it roll\na year on saturn or mars or mercury is a year.
993258
The Earth was formed around 4.57 billion (4.57×109)[1] years ago
750286
Scientists say that the Earth is about 4.5 billion years old. The oldest rocks that have been found are 3.8-3.9 billion years old. They actually think the Earth is 4.55 billion years old to be specific. Just to let you know i got it off  a website.
1167458
No one knows...yet. Give it time, like a few billion years.
336535
Total life span=8billon+yrs.\nIt may last for another 4.5 billion years.....(and counting)
715942
the radius of the Earth 6375.654784689 Km. There are many living things on it and it will not be ever counted exactly.
72627
isn't it usually 4 years?
852208
Sorry but milleniums are measured in years. there are 1000 years in a millenium.
180148
4.3 years older than it looks now.\n\n300 million years.\n\nJust a baby!
319134
According to the Word of God, Adamic mankind has been in existance, in this World as we know it, for about 6000 years.\n\nIt also says that a day is as a thousand years, and a thousand years is as a day, with the Lord.\n\nSo no one knows how old the earth is. It could be millions of years old. It could also be a little more than 6 thousand.\n\nJOB 38:4\n   4    Where wast thou when I laid the foundations of the earth? declare, if thou hast understanding.\n   5    Who hath laid the measures thereof, if thou knowest? or who hath stretched the line upon it?\n   6    Whereupon are the foundations thereof fastened? or who laid the corner stone thereof;\n   7    When the morning stars sang together, and all the sons of God shouted for joy?\n\nTo know more, go here...\nhttp://groups.yahoo.com/group/bibletruths_forbelievers/
330895
Greetings,\n\n4.5 billion more years until it swells into a red giant and engulfs Earth.\n\n-matt
864382
Humans split off from the last common ancestor about 7 million years ago and have evolved from there.\n\nThe Earth is 4.7 billion years old.\n\nThe universe is 13.7 billion years old.\n\nWhat did you mean exactly?  Your question doesn't make much sense.
1176345
the earth is about 4.5 billion years old
853009
How many years are represented in the number thitteen? Let my be more precise by adding Earth years to that question.
19199
billions and billions of years.