If the people that lives in the world have a time limited to life do we not think that the world has a time limite too.
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While the human species, in its present state, seems bent on depleting and/or destroying the Earth's resources, the Earth and her living entitites are resilient. There is no doubt that evolution and adaptation also takes place. Why else would creatures survive after dinosaurs died out. Can mankind destroy the Earth? Probably not, but he can perhaps speed up the process. However, science speculates that events will take place that put the Earth's future in jeopardy, but that is eons in the future.
No one can say that. There has been lots of research based on facts in the last few years that can predict when the Earth will die out...it will happen, but its not going to be in our lifetime. We as humans can eradicate ourselves with war, famine, disease, and global warming, but the Earth will be here far longer than we are.
It doesn't matter what humans do regarding the time scale of the Earth. We may destroy ourselves; the Earth will continue, life will continue, although in a much altered form. The ultimate end will be in about 5 billion years, when the sun expands to a red dwarf, and will radiate enough heat to boil the oceans and destroy all life for good.
The previous answer was strong. I believe that the there has to be an end point to the world, but this should be measured in geologic time, surpassing human beings' conception of time being measured in years or centuries. Perhaps, an Era would be a good way to evaluate how the ending of the world could be staged. However, the initial portion of the question in terms of "all that is happening today" does bring to mind the idea that individual human beings do play a role in the viability and enhancement of the world. Our actions can help define how things will advance in terms of the sustainability of the planet. This is critical in understanding the elements that might help contribute to whether or not the remaining time of Earth will be one fraught with challenge or one of advancement.
I think in this discussion we need to distinguish between end of human and other forms of life on Earth, and the end of of Earth itself. Mankind can impact the existence of plant and animal life to a significant extent, and to that extent may affect the timing of end of life on Earth. But when it comes to the end of Earth itself, which will come much after end of life on Earth can not be affected significantly by any human activity. Human beings are too insignificant to make any difference of that kind.
To our Earth-centric mind set it may seem inconceivable that our sense of time on Earth is insignificant on the cosmic time scale. According to the scientific model of the universe the beginning of the time dates back to the occurrence of the Big Bang when all the galaxies were clustered together with no distance between them. Since the beginning of cosmic time, the distance between galaxies has increased and continues to increase as the galaxies move away from each other and the universe expands. In cosmic relations both space and time have directions. In space one can change the directions of travel from south to west and from west to south. In the imaginary cosmic time one could similarly move forward-in-time and backward-in-time, which is unrealistic for our understanding of time on Earth, where time moves only in one direction from the past to the present, and not vice versa. The idea of time is a relative concept. Life on Earth is measured by the time interval between the birth and death of a living being, the significance of which is negligible in terms of the cosmic time scale in the universe.
Most certainly this world - that is the world on our earth - is not coming to an end in near future. I don't think it will come to an end in a few hundred years or even a few thousand years. But never is a long time. This earth took a few billion of years in developing to its present state. When we think of life span of the earth, we should be prepared to think in terms of life span in billion of years. But there will definitely be a life span for this world.
Scientists have already predicted that slowly this earth as well as the sun will cool down to such an extent that life will not be possible. I do not have the data on how many million years will pass before this happens, but some time it will surely happen. Further I do believe, that just as the bang bang created this world out of nothing, some time in future, may be billions of billion years away, the earth and the sun itself will collapse back to nothing.
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