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Author Topic: Sustainability  (Read 416 times)
Zanthius
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Sustainability
« on: September 14, 2017, 12:04:14 am »

I have started taking a course about sustainability (https://www.coursera.org/learn/sustainability/), just in case I can learn some new things, which I can use on my page about ending the destruction of our habitat (http://archania.org/ending_the_destruction_of_our_habitat.html).

So far, I have learned about an equation which I am going to write a little about:



And I have found a nice graph which shows the decrease in global fisheries:



More might come here, if I discover more useful information.
« Last Edit: September 14, 2017, 12:10:06 am by Zanthius » Logged
Zanthius
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Re: Sustainability
« Reply #1 on: September 14, 2017, 08:36:19 pm »



This has now been uploaded to my concluding remarks (http://archania.org/concluding_remarks.html).
« Last Edit: September 14, 2017, 10:17:25 pm by Zanthius » Logged
Scalare
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Re: Sustainability
« Reply #2 on: September 14, 2017, 10:40:29 pm »

There's too much at play here to simply draw that conclusion. This could go hundreds of ways.
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Zanthius
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Re: Sustainability
« Reply #3 on: September 18, 2017, 11:33:59 pm »

Here are some updates to my article:





http://archania.org/ending_the_destruction_of_our_habitat.html
« Last Edit: September 18, 2017, 11:43:22 pm by Zanthius » Logged
Death 999
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Re: Sustainability
« Reply #4 on: September 19, 2017, 12:41:46 am »

Tea may be inefficient per kg of tea leaf, but how inefficient is it per kg of actual tea? Most foods aren't judged by their dessicated weight. Similarly though to a lesser extent for coffee.
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Scalare
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Re: Sustainability
« Reply #5 on: September 19, 2017, 09:47:38 am »

You should also take into account that there will be less and less farmland due to buildings and most importantly, global warming.
This is often overlooked, but the destert areas near the equator will see temperature increases in such a way that we will lose a lot of farmland.
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Zanthius
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Re: Sustainability
« Reply #6 on: September 19, 2017, 06:23:35 pm »

Tea may be inefficient per kg of tea leaf, but how inefficient is it per kg of actual tea? Most foods aren't judged by their dessicated weight. Similarly though to a lesser extent for coffee.

You are absolutely right. When I corrected it according to how much grams we use of coffee and tea in a liter of water, I removed tea since we only use 8 grams tea in 1 liter water, and coffee was down-regulated a lot. I added vegetable oils, since they seem to be a much bigger problem.

« Last Edit: September 19, 2017, 08:48:27 pm by Zanthius » Logged
Zanthius
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Re: Sustainability
« Reply #7 on: September 19, 2017, 06:27:56 pm »

You should also take into account that there will be less and less farmland due to buildings and most importantly, global warming.
This is often overlooked, but the destert areas near the equator will see temperature increases in such a way that we will lose a lot of farmland.

We are actually going to use less area for buildings in the future due to urbanization. People will probably live more and more concentrated in cities.

It is very difficult to estimate how global warming is going to affect how much farm land we will have in the future.
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Scalare
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Re: Sustainability
« Reply #8 on: September 19, 2017, 06:44:45 pm »

Why will we get more urbanisation while transportation gets faster and cheaper?
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Zanthius
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Re: Sustainability
« Reply #9 on: September 19, 2017, 08:22:09 pm »

Why will we get more urbanisation while transportation gets faster and cheaper?

Well, there has been a trend towards urbanization, which doesn't seem to have been reduced when we got trains, steam boats, cars, and airplanes.



People in developing countries are especially eager to move to cities. Maybe because they can find many things there which they never were exposed to on the countryside.



Maybe the urbanization trend is going to be reduced by Internet, since we can now get exposed to almost anything through Internet. However, most people living on the countryside in developing countries don't necessarily have access to Internet.
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Scalare
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Re: Sustainability
« Reply #10 on: September 19, 2017, 10:24:45 pm »

You are using the wrong metrics there. It is logical that the rural population decreases, because farms get bigger and bigger and the people working them get less and less, due to industrialisation.
Any rural area resident should see this.
Also, the city that I live in was the 'epicenter' of the biggest pig flu in hisory. Many pig farmers were forced to cremate their pigs and sell their companies.
Currently in that aspect we also see 'pig-flats' by the way, which house more pigs per square meter (on the ground) than ever before.
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Zanthius
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Re: Sustainability
« Reply #11 on: September 20, 2017, 12:24:34 am »

I have now added my own version of the overfishing graph:



http://archania.org/ending_the_destruction_of_our_habitat.html
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Scalare
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Re: Sustainability
« Reply #12 on: September 20, 2017, 09:44:12 am »

There are also graphs which countries use the most global hectares per person.
Could we tax the hell out of them or have global trade bans for those countries to improved the world?
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Re: Sustainability
« Reply #13 on: September 20, 2017, 01:15:37 pm »

You are using the wrong metrics there. It is logical that the rural population decreases, because farms get bigger and bigger and the people working them get less and less, due to industrialisation.
So, what makes that the wrong metric, and what would be a better one?
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Scalare
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Re: Sustainability
« Reply #14 on: September 20, 2017, 01:43:19 pm »

You are using the wrong metrics there. It is logical that the rural population decreases, because farms get bigger and bigger and the people working them get less and less, due to industrialisation.
So, what makes that the wrong metric, and what would be a better one?

I don't think that there are any metrics that prove his statement. It is incredibly far fetched, like saying: 'countries in which more citizens wear glasses are also countries in which cancer is the most prevalent'. -> 'nearsightedness causes cancer'.
Posting a graph with that statement doesn't give it any more validity Smiley.
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