Yeah,lol Earth First!! (We'll sstrip mine the other planets later)

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"Faith: Belief without evidence in what is told by one who speaks without knowledge, of things without parallel."
-Ambrose Bierce
A man without religion is like a fish without a bicycle. - Vique
If there is a God...I think most reasonable people might agree that he's at least incompetent and maybe, just maybe, doesn't give a shit..." -George Carlin

I do think it is possible that humans will never become extinct. Arrogant or not, humans are obviously very different from any other species that has inhabited Earth. To a much greater extent than other species, we are not forced to adapt to the environment, we adapt the environment to us.

Given the choices between humans never going extinct, humans going extinct, and humans eventually becoming something that we would not consider fully human, I'd say the last possibility is the most likely.

I hope that humans become so advanced that at some point leave earth so that new species can develop there. Earth would be a heaven of life without humans mass killing species and destroying environment. Such a point could be reached in several hundred thousand years.

The end of Sun lifecycle doesn't pose a threat to humans, since even if we assume fast space travel is impossible, they would make it to some nearest star in a couple of hundren years in a huge startship that doesn't need sun at all. There they would refuel and travel elsewhere.

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No loyalty towards the EU.

In Russia is freedom of speech. In America is also freedom after speech. -- Yakov Smirnoff

Yes even in the last hundred we are almost a different world now

That is the problem. Would we be able to know when it would explode?

Because I want to know. That is fine if you don't care.

We definitely have our problems, but we will correct those problems in the future. We don't need a new species - we just need to improve ourselves to the point that we don't harm the planet due to negative emotions/desires.

Can you say extinction? Considering how fast the earth is warming, we (humankind) will be long gone before the sun burns itself out.

As the earth warms, desertification increases, ocean levels rise, the sum amount of habitable land decreases. There will be land that will become habitable that is now considered marginal. For instance, the tundra in Canada and the Taiga in Russia.

But in the U.S. there will be a large net loss of habitable land. Therefore, the population of the U.S. will begin to migrate into areas in the North. There will be political consequences to this. The U.S. may turn a hungry eye to Canada and deiced that they always wanted to be a State in the U.S. anyway.

Although no one really can predict all the ramifications (like an attempted mass migration of the African populace toward the Russian land, life as we know it will incur massive changes; none of which are likely to be good.

Mass starvations, airborne viruses, other disease, all may contribute to our demise.

Be aware that most of the species that existed millions of years ago are extinct...it may be the natural order of things.

We as humans will prevail. There may be ups and downs (some on a horrendous scale), but I don't feel we'll ever go completely exinct.

Yes I can say extinction, and yes I know that one day we will join that word as many before us have. Global Warming, I don't even believe that it is real yet, I have seen no difference.