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How much longer will Earth support Intelligent Life?

How much longer will Earth support Intelligent Life?

100 years
3
15%
500 years
2
10%
1,000 years
2
10%
2,000 years
1
5%
3,500 years
0
No votes
5,000 years
1
5%
7,500 years
0
No votes
10,000 years
0
No votes
More than 10,000 years
11
55%
 
Total votes : 20

Re: How much longer will Earth support Intelligent Life?

Unread postby Ibon » Tue 02 Jul 2019, 13:24:29

Revi wrote:Does this planet support intelligent life now?


When KJ recently mentioned that it is our mental capacity that makes the human story of overshoot unique I mentioned that we are also capable of reverence.

The Bhuddist story comes to mind regarding the interplay between compassion and intelligence.
Tighten the strings of a guitar too tight and they snap. This is intelligence with no compassion.
Too loose and they don't play. This is compassion with no intelligence.
Music happens when the strings are tightened just right, when intelligence is tempered with reverence and compassion. This sounds very idealistic in today's world but there is true wisdom in this.

The evidence is all around us that intelligence and technology not tempered with reverence for our mother earth is leading us to some frightening consequences. And still many point to further technological innovations leading us out of the impasse, where reverence plays no role.

That is when your question Revi if our planet supports intelligent life now is quite relevant.

Intelligence is easy as it really is just brain power. Wisdom is something else indeed. It considers and integrates mind, body and soul..

We are really out of practice with this as a society.
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Re: How much longer will Earth support Intelligent Life?

Unread postby dohboi » Fri 05 Jul 2019, 09:33:27

Another challenge to continued human life (if we can be considered intelligent)...peak phosphorus:


Image

Currently we're extracting 250 million tons a year. How long can that go on? What could possibly go wrong??? :/
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Re: How much longer will Earth support Intelligent Life?

Unread postby Ibon » Fri 05 Jul 2019, 13:33:23

dohboi wrote:Another challenge to continued human life (if we can be considered intelligent)...peak phosphorus:


Image

Currently we're extracting 250 million tons a year. How long can that go on? What could possibly go wrong??? :/


A lot of that mined phosphorus goes into growing bananas. All of you high latitude folks eating imported tropical bananas should recycle those banana peels in your garden. A really lazy way to compost a banana peel is to just toss them under any fruit trees you have.

As you fling it through the air toward your apple tree using nothing more than your muscle power you are doing your fair share to save the planet!
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Re: How much longer will Earth support Intelligent Life?

Unread postby Tanada » Sat 06 Jul 2019, 11:55:32

dohboi wrote:Another challenge to continued human life (if we can be considered intelligent)...peak phosphorus:


Image

Currently we're extracting 250 million tons a year. How long can that go on? What could possibly go wrong??? :/


The problem with this particular peak prediction is urine. Right now mining natural phosphate deposits is the cheapest method of getting the mineral for use in agriculture. However right now there are also 7.5 Billion humans out there around the world urinating about a liter to a liter and a half a day of phosphorus rich liquid. That doesn't even consider the livestock and poultry we keep in captivity. In point of fact mined phosphates are so cheap that big agricultural interests put on the order of 50% excess fertilizer on their crops because it gains then a few percent higher yield. when the prices start rising they will cut back to adding just a sufficient quantity instead of an excess and that will cut demand substantially all by itself. When prices hit a cut off point then processing human sewage to recover the phosphates will become a money making enterprise and the demand for raw natural phosphate will be greatly reduced even further.
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Re: How much longer will Earth support Intelligent Life?

Unread postby dohboi » Sat 06 Jul 2019, 13:36:38

"The problem with this particular peak prediction is urine"

Are you saying it's a piss poor argument?? :-D :-D
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Re: How much longer will Earth support Intelligent Life?

Unread postby Plantagenet » Mon 08 Jul 2019, 19:27:47

New mathematical model suggests rapidly adding CO2 to the oceans triggers mass extinctions

breaching-carbon-threshold-mass-extinction

Once a certain threshold of CO2 dissolved in the oceans is reached, a threshold is passed that leads to a cascade of effects including ocean acidification and global mass extinction.

We should reach that threshold by about the year 2100 as we are adding CO2 to the oceans at a rate far greater then ever before seen in the geologic record.

Cheers!
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