22 Sep
Green power question? help please 10points and best answer?
Which of the green power options if any, do you feel are NOT viable energy sources for the future? Why?
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Posted by whsgreenmom on 22.09.09 at 8:53 pm
Clean coal or sequestering the emissions. It is just a theory and the potential dangers aren’t worth the risk. The way the media has touted it, they make it seem like it is hear and real and safe, so it takes momentum away for other real solutions. We now have a mix of energy sources and we should always have a mix, we just need to reduce the percentage of dirty energy increase the percentage of clean and renewable energy and localize more options. Having one huge grid for large parts of the nation leaves us vulnerable, with smaller local generation we are more sercure.
Posted by Raquel G on 22.09.09 at 8:53 pm
UHM………………………….IDK LOL SORRY!:)
SAVE ENERGY & NON-RENEWABLE THINGS I GUESS..
Posted by Justin on 22.09.09 at 8:53 pm
Raquel G, I hate you.
Posted by robotetoj on 22.09.09 at 8:53 pm
Current "green" electric power sources are all based on charging Battery packs to store energy for later use. While wind, solar, and to some extent tidal energy are useful when harnessed in this way it is not viable to continue using obsolete cell technologies such as lead, lithium ion, etc as disposable, relatively short life/use containers for this energy.
Posted by Quin on 22.09.09 at 8:53 pm
most would not be immediately because we would have to switch our power grids, but the worst would be nuclear energy. dumbest thing i have ever heard.
Posted by Induced_Reality on 22.09.09 at 8:53 pm
Hydrogen - It’s just stupid. You use electricity to split water molecules to create your hydrogen fuel.
Corn Ethanol - low energy output
I think the future will use nuclear, coal with carbon sequestration, geo, wind, solar, hydro to create an all electric power system. Everything is powered by electricity. No fuels are used.
Posted by erinE on 22.09.09 at 8:53 pm
Ethanol, in my opinion, is probably not very viable in the long term. Ethanol is made from corn, which it may seem is a great thing, because the US is such a huge producer of corn. There is just one little problem with that. Because we produce so much corn, our economy is more dependent on the resource then you might think. As far as our agricultural system goes, corn is used for everything. And now with ethanol adding to the demand for corn, the price of corn goes up. When the price of corn goes up, the cost to feed the cows across the country goes up. Though they aren’t supposed to eat corn, most livestock farmers feed their animals corn. So when the price of corn goes up, the price of milk goes up, because it costs the farmers more to feed their milk cows. I don’t know if you noticed in the past few years the greatly rising price of milk. And what else happens when the price of milk goes up? The price of everything that has milk in it also goes up. Any dairy products, cheese, yogurt, ice cream, as well as any baked goods that have milk. Bread, cakes, etc. So while ethanol may seem like a great way to turn an abundant resource into a green fuel, it really does more to hurt the economy then it does good by taking us off oil. Economically, running a car on ethanol may be more harmful than running your car on gasoline.
Posted by TMW on 22.09.09 at 8:53 pm
Many thing have potential if people are will to pay the price.
Electricity
Nuclear = ~2 -3 cents/kWhr
Coal = ~5 - 7
Wind = ~33 - 38
Solar is good for heat. In many states it could be used for hot water and space heating. Wind or Solar could be used for low voltage lighting like LED’s in the house with less storage. The problem comes with things like stoves, ovens, vacuums, washer/dryer and refrigerators. They need power, and if you’re going run a bunch of them you need more storage, much more, and that costs money.
Currently many green technologies are just too expensive. The prices need to drop and they should as volume increases. However until that happens many technologies are like pounding a square peg in a round hole… they just don’t make sense.