Not going to be a fun 10 years or so i'm sure
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Water's not a problem??
The World Bank reports that 80 countries now have water shortages that threaten health and economies while 40 percent of the world ? more than 2 billion people ? have no access to clean water or sanitation.
As populations grow, industrial, agricultural and individual water demands escalate. According to the World Bank, world-wide demand for water is doubling every 21 years, more in some regions. Water supply cannot remotely keep pace with demand, as populations soar and cities explode.
Half the world's rivers and lakes are seriously polluted with toxic substances.
By 2025 the demand for fresh water will rise by 56 percent and as many as two-thirds of the world's population will be living with serious water shortages or absolute water scarcity.
The US National Intelligence Council, a group that reports to the CIA, warns that water will become the main resource-scarcity problem by 2015 and that the instability created by water shortages "will increasingly affect the national security of the United States."
etc. etc.
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about 80% of the world is covered with itOriginally posted by BRISK
it renews itself
if a shortage occurs desalination of the ocean although costly will become a priority333-765-551Comment
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Also just recently saw a PR that said they had a working prototype of a car that (from what they say) not only ran off hydrogen but was able to extract itOriginally posted by bringerI am a marketing Genius.Comment
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It's possible to run a hydrogen fill station using solar or other alternative energy sources. I'd be more curious to know how much electricity it took to run the electrolysis to generate the gas. A solar fill station that only produces a liter of liquid hydrogen a day isn't going to serve too many people.Originally posted by bringer
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national security seems to be the standard footer on all reports these days giving them legitimacy in the media. just as a gas shortage "scared" the government into conservation efforts and alternative energy water is becoming the new scare tactic. who cares if it hits in 2025 anyways, we'll all be dead of skin cancer from global warming diminishing the ozone layerOriginally posted by KRL
333-765-551Comment
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Also, don't forget the fuel cell problem...fuel cells that convert hydrogen to electricity require platinum, which isn't exactly an abundant element.Originally posted by rickholioHydrogen is a pipe dream, probably the least likely candidate available. Reason being, it takes a LOT of energy to produce the hydrogen, and it takes hydrogen under very high pressure before it gets an energy density tolerable for use in vehicles (I believe it requires 200 atmospheres of presure to force hydrogen into a liquified state). The only advantage to hydrogen is that burning it produces nothing but heat and water... essentially you're transporting a portion of the energy originally taken to convert H2O into H2, and burning it in your car to make it go and convert it back to H2O.
Far more realistic is conversion to a pure or hybrid electric system, with centralized power generation that can take advantage of scale conversion from one power source to another (solar, wind, nuke, coal, whatever) and has a long proven and existing method of transportation (the grid, although it could sure as hell use some 'shoring up' in places).
Or maybe just getting off our fat asses and walking or biking places.
edit: Yes, chemistry purist, burning hydrogen can yield other compounds like peroxide, etc. Don't be a pedantic asshole.Comment
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ah, i must of misunderstood the report or they just plain reported it wrong. i was under the impression the station not only provided the hydrogen but created it aswell.Originally posted by rickholioIt's possible to run a hydrogen fill station using solar or other alternative energy sources. I'd be more curious to know how much electricity it took to run the electrolysis to generate the gas. A solar fill station that only produces a liter of liquid hydrogen a day isn't going to serve too many people.333-765-551Comment
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Originally posted by bringer
Desalination requires energy though
I post on GFY so that when people ask me what I do,
I can tell them that I work with the mentally retarded.Comment
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I wonder how big the plate has to be?Originally posted by jollyperv
If electrolysis was "run in reverse"?that is, if hydrogen and oxygen were combined to make water?the process would release electricity.
This is what a fuel cell does. The hydrogen fuel is fed into one end of the cell, where it comes in contact with a platinum plate. The platinum acts as a catalyst that helps break down hydrogen atoms into positively charged ions and negatively charged electrons.
The electrons are then screened-out using a substance called an electrolyte. The ions can pass through it; the electrons cannot.
All the electrons are collected and sent through a wire. That stream of electrons is electricity, which can be used to power a motor.
The wire eventually is routed back to the cell, where the electrons, ions and oxygen combine to make water?the fuel cell's only waste product.I am a marketing Genius.Comment
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yes it does. thats not the point though. this isnt something that'll just disappear one day and never be found on earth again. people need it to survive and what good is a government without people to pay for it? water sustains life and until something else is created as an alternative (medical science) we'll goto the ends of the earth to survive.Originally posted by BRISKDesalination requires energy though333-765-551Comment
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Walmart would love an end to transportation. Imagine having to walk everywhere for all your needs. You could walk all over the city looking for what you want or you could walk to your neighborhood?s own walmart super center. Time to buy some walmart stocks
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I guess I see the increasing cost of acquiring quality drinking water as being the problem.Originally posted by bringer
If we put aside the problem of its increasing cost of acquisition, then yes, there wouldn't seem to be as much of a problem.I post on GFY so that when people ask me what I do,
I can tell them that I work with the mentally retarded.Comment
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i dont see it as a problem just yet. the cost of gas affects everything including water so id consider that the main issue. the only cost the consumer will fill is when the water companies switch to metered service regulating the flow of water which will only force us to limit our usage(something that should be done already). this is something that was inevitable anyways so being concerned about it now is basically pointless. i could really care less if bottles of water go up $0.02 per bottle because i dont drink it anyways.Originally posted by BRISK333-765-551Comment
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I don't see it as a problem at this very moment either, it's a problem for the future, but I don't look forward to the idea of grandchildren asking me to tell them what it was like when basically everyone rich or poor had all the free water they wanted.Originally posted by bringerI post on GFY so that when people ask me what I do,
I can tell them that I work with the mentally retarded.Comment
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