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Present-Day And Future Alternative Energy Sources

Science & Tech  (tags: Alternative Energy, green energy, alternative, electricity, science, wind, turbine, hydro, solar, generator )

- 3466 days ago -
The major past energy sources have included petroleum and coal. With the sharp increase in energy prices, depleting non-renewable sources of energy, the increase of green house gases impacting global warming


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Tierney G (381)
Thursday January 21, 2010, 10:55 am
I think solar is the best of all these except perhaps the hydro power don't know much about that but it sounds good.
Thanks Alexander

. (0)
Thursday January 21, 2010, 6:18 pm
Wind power and solar are the ways to go. Clean and renewable.

gail dair (0)
Friday January 22, 2010, 12:29 am
thanks Noted

Chris Lawrence (0)
Friday January 22, 2010, 8:16 am

A variety of alternative energies is a good thing. However, they can never replace fossil fuels. Providing we scale back and reduce our energy use and consumption, alternative energy should provide enough power to meet our needs and let us live sustainably.

Jaette Carpenter (20)
Friday January 22, 2010, 8:43 am
Solar, solar, solar. Might as well use it if it is being sent our way. Seems like a very harmless way to create energy.

Alice C (1797)
Friday January 22, 2010, 9:18 am
Wind and solar are what we used before fossil fuels and we did just fine !

Daniel Barker (4)
Friday January 22, 2010, 10:21 am
Solar electricity will never until some decades becomes affordable. It costs tens of thousands of dollars just for one home - any by the time the solar photovoltaics have finally paid for themselves, they don't work anymore. So it always costs money.

Somewhere in the future price comes down, then we can use it.

However, solar electricity pays OFF the grid. For example, the battery charger in your car keeps your battery topped off. And, a solar panel for an electric bike allows you to ride all day while the batteries stay charged.

Solar heat pays for itself in five years. Don't know why 100% of the U.S. is not solar, I guess the new adminstration does not want to save the environment.

Just as vapid is Ottawa banning light bulbs, people can only use CFL. Another example of people without a brain. CFL bulbs save heat, not energy, and in Canada, you need heat at least 350 days a year for the average home. So, using light bulbs creates heat - which is what people need in Canada.

Last, some time ago I posited electric cars, nowit is catching on. Here goes - your electric car does not just get power off the grid, IT IS the grid. So, Chris, when power plants cannot provide enougy power, the electric cars run electricity backwards and into the grid.

Not only does this work, it is working - as I write this in Calfornia they are planning the grid for smart appliances and plug-in hybrids/electric cars.

Chris Lawrence (0)
Friday January 22, 2010, 11:58 am
Daniel, yes, we need batteries or some type of storage so we can use electricity when there's no wind or no sun. But you don't millions of electric cars for that!

Freya H (344)
Friday January 22, 2010, 4:07 pm
We need to work hard on developing renewable energy and biofuels. In the meantime, though, we need to drill here and drill now!

Momma Vee M (7)
Friday April 23, 2010, 6:17 pm
Thanks for the in Mass and will look into this solar program!! Noted and appreciated....
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