Science question.
Hello everyone,
I just read a passage from my text book THAT SHOCKED ME telling me that human population cannot keep on growing.
Because our resources are limited.
[size=+1]Here is the passage.[/size]
"The human population cannot keep growing exponentially forever because Earth and its resources are limited." --- Biology
Yes prepping for next year. See how nerdy am I.
So, what will we do during then?
Eat all the humans and be cannibals?
Yuck!
I just read a passage from my text book THAT SHOCKED ME telling me that human population cannot keep on growing.
Because our resources are limited.
[size=+1]Here is the passage.[/size]
"The human population cannot keep growing exponentially forever because Earth and its resources are limited." --- Biology
Yes prepping for next year. See how nerdy am I.
So, what will we do during then?
Eat all the humans and be cannibals?
Yuck!
Comments
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Find a new planet that is like Earth and start preparing to be able to move there when the time comes that we run out of resources and space we can move there and ruin that planet and keep doing that till aliens kill use with there mind tricks.
Or kill the weak. -
Find a new planet that is like Earth and start preparing to be able to move there when the time comes that we run out of resources and space we can move there and ruin that planet and keep doing that till aliens kill use with there mind tricks.
Or kill the weak.
Oh you mean like Free For all. -
"Limited" here is used very carelessly.
This is a pretty old theory, and if I recall correctly it has been thoroughly debunked by someone with much better English skills than me, so I'll shorten it greatly.
Food production rate is always greater than the human population growth rate.
The theory was coined before the space age we're in, the implications of extra planetary movement wasn't considered and is a development to be reckoned with when considering overpopulation.
We can clean water at pretty extreme rates now, and logistics isn't much of an issue (just lack of willingness).
Also, we'll just kill the poor people if we start to really suffer from overpopulation.
Yay humans. -
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"Limited" here is used very carelessly.
This is a pretty old theory, and if I recall correctly it has been thoroughly debunked by someone with much better English skills than me, so I'll shorten it greatly.
Food production rate is always greater than the human population growth rate.
The theory was coined before the space age we're in, the implications of extra planetary movement wasn't considered and is a development to be reckoned with when considering overpopulation.
We can clean water at pretty extreme rates now, and logistics isn't much of an issue (just lack of willingness).
Also, we'll just kill the poor people if we start to really suffer from overpopulation.
Yay humans.
Sweet, I get first hand at the killing.
I live in the poorest province of my country. -
"Limited" here is used very carelessly.
This is a pretty old theory, and if I recall correctly it has been thoroughly debunked by someone with much better English skills than me, so I'll shorten it greatly.
The food part may of been debunked but eventually if the population keeps growing there will just simply be no room for them to live at all. Also as more housing is built it is eliminating wildlife and much needed trees. Thats before mentioning fuel that will eventually run dry.
Obviously this is highly unlikely to happen during our life times unless everyone goes on a baby making spree :rolleyes:
lol @ someone who said planetary migration xD They havent even got to place a man on any other planet apart from earth yet lol. -
Sure there will.Gh0st_Slay3r wrote: »The food part may of been debunked but eventually if the population keeps growing there will just simply be no room for them to live at all. Also as more housing is built it is eliminating wildlife and much needed trees. Thats before mentioning fuel that will eventually run dry.
Obviously this is highly unlikely to happen during our life times unless everyone goes on a baby making spree :rolleyes:
lol @ someone who said planetary migration xD They havent even got to place a man on any other planet apart from earth yet lol.
Crops will be made more efficient, requiring lesser space for more food.
Buildings will be made more efficient (taller).
Most of the earth is unpopulated, the 'overpopulation of area' problem is just because of agriculture and way too inefficient rural layout.
We have lots of fuel, we're just not using it - and of course, in 20 years, we'll have different sorts of fuel altogether.
There are very good plans for planetary migration, Mars is a top candidate for obvious reasons and could be made in part habitable in less than 100 years (conservatively). -
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Yes, it is true that if the human population keeps increasing at a rate of last few centuries then it will eventually crash due to limited resources. However, even at this rate, it would take years before anything like this happens. And I'm not talking about 30-40 years - it's more like thousands of years. Believe it or not, the Earth still has lots of resources and can sustain life for a long time - that's of course if everything goes well and no major catastrophes hit like 63 million years ago. At this moment, if people on Earth live as densed as NYC, all humans on Earth would fit in the state of Texas alone.
Also, moving to another planet is just a sci-fi fiction right now. Why? Because let's take Mars for its obvious reasons for example.
1. No man has been to Mars yet.
2. It does not seem like anyone is going to make it there in next 10 years minimum.
3. Even if they do make it there, which is a journey of half a year, they must come back within weeks.
4. Mars atmosphere mostly contains Carbon monoxide, which is extremely poisonous. So if humans were to live there, they would either have to be in some form of suits all the time or adapt to that enviornment which could take mIllions of years and even then there is no garauntee that we would survive.
But, for now don't worry. As long as nature is good with us, we are fine for quite a while. -
VASIMIR could get us to Mars in six weeks, theres just no real effort being put in to developing it further. Some tests are planned for 2014 though, we'll see what happens.Robin_Ho_od wrote: »Yes, it is true that if the human population keeps increasing at a rate of last few centuries then it will eventually crash due to limited resources. However, even at this rate, it would take years before anything like this happens. And I'm not talking about 30-40 years - it's more like thousands of years. Believe it or not, the Earth still has lots of resources and can sustain life for a long time - that's of course if everything goes well and no major catastrophes hit like 63 million years ago. At this moment, if people on Earth live as densed as NYC, all humans on Earth would fit in the state of Texas alone.
Also, moving to another planet is just a sci-fi fiction right now. Why? Because let's take Mars for its obvious reasons for example.
1. No man has been to Mars yet.
2. It does not seem like anyone is going to make it there in next 10 years minimum.
3. Even if they do make it there, which is a journey of half a year, they must come back within weeks.
4. Mars atmosphere mostly contains Carbon monoxide, which is extremely poisonous. So if humans were to live there, they would either have to be in some form of suits all the time or adapt to that enviornment which could take mIllions of years and even then there is no garauntee that we would survive.
But, for now don't worry. As long as nature is good with us, we are fine for quite a while.
Mars surface has lots of canyons, one in particular is excellent for colonization where the temperature is around 25-30 Celsius.
One realistic plan is covering a small portion of a canyon, creating a green house of sorts.
Theres plenty of water, carbon, oxygen (combined with inert buffert gases since we can't breathe pure oxygen), nitrogen et cetera on Mars.
Its just a matter of harvesting it, which isn't unrealistic at all.
The problem with the carbon dioxide (which it is, not monoxide. Same as ours.) atmosphere on Mars is that there isn't enough of it.
Temperatures on average are too low, which is why we're contained to the equatorial areas for now.
Eventually we'll of course be able to terraform properly, creating a solid atmosphere all around but we're not ready for that yet, so green-house type areas are necessary.
I guess Obama got everyone with the "theres no reason to go to the moon twice" stroke of genius.. -
Robin_Ho_od wrote: »1. No man has been to Mars yet.
2. It does not seem like anyone is going to make it there in next 10 years minimum.
3. Even if they do make it there, which is a journey of half a year, they must come back within weeks.
4. Mars atmosphere mostly contains Carbon monoxide, which is extremely poisonous. So if humans were to live there, they would either have to be in some form of suits all the time or adapt to that enviornment which could take mIllions of years and even then there is no garauntee that we would survive.
But, for now don't worry. As long as nature is good with us, we are fine for quite a while.
1. That does not in any way, shape or form affect the fact that we are able to go to Mars.
2. I do not remember exactly, but I think a few European and American countries were planning on going on manned expeditions to Mars before 2030.
3. A manned trip to Mars would be a one-way-trip. It would be too costly and difficult to ship enough fuel to Mars to be able to send them home. Of course a human settlement on Mars would be relying on supplies from Earth for a few hundred years, but it would be the first step of terraforming Mars into a habitable planet.
4. I'd advise you to read up on terraforming. It would take some time to majorly change the atmosphere of Mars, but we're talking centuries, not millions of years. They are planning on sending unmanned expeditions to Mars to build a base capable of keeping human life and fauna from the earth safe for a few hundred years. With new resources from the Earth of course. Luckily there's metals on Mars that are rare on the Earth and would interest sponsors of the project. Mainly micro-technology companies such as Intel, seeing as silicone and chisel are reaching their limit, new, more expensive materials would have to be used to continue advancement. -
Okay then you and everyone else are more than welcome to go to Mars.
I and whomever else wants to stay on Earth will stay here. I guess after everyone migrates, we won't have the problem of limited resources on Earth seeing the population will be really low. :P -
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