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Old 01-24-2014, 03:25 AM
 
39,189 posts, read 40,571,673 times
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Quote:
Originally Posted by OpenD View Post
Even China, which is heavily reliant on coal at the present, is beginning to invest in solar energy and wind energy itself, as it confronts the challenge of reducing the pollution that is choking its air and water and land.
At their current rate of consumption and despite having something like 12% of the world's supply they will burn through it in the next 3 to 4 decades.

FYI a very large percentage of the air pollution in Chinese cities is the reuslt of domestic heating, you can see the same issue occurring in many European cities in the 50's and 60's. That was never a large contributing factor in the US because of the wide use of anthracite for that application.
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Old 01-24-2014, 04:59 AM
 
Location: DC
6,506 posts, read 6,426,164 times
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Originally Posted by Mack Knife View Post
Really? From a strategic standpoint, the Suez Canal means a lot to the US Navy. Perhaps the US Navy is no longer a part of the USA's strategic planning? Someone better tell them.
It means almost zero to the US Navy. It is very rarely used by our ships.
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Old 01-24-2014, 07:20 AM
 
Location: Whereever we have our RV parked
8,666 posts, read 7,632,897 times
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I don't know where anyone ever came up with the idea that CO2 is pollution. The only way CO2 is pollution is if AGW is true, and its not. No warming over the last 17 years even though CO2 production continues to go up. Just look at the weather in the USA this past year. No major hurricanes again this year hit the USA, and the number of hurricanes is way down. Very cold winters with lots of snow again hitting the continental USA, just like 40 years ago. Even the number of tornadoes was down this year. Wake up.
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Old 01-24-2014, 08:03 AM
 
Location: DC
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Another of the paid deniers.

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Old 01-24-2014, 08:45 AM
 
Location: West Orange, NJ
12,545 posts, read 18,380,554 times
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Originally Posted by DCforever View Post
Solar's role in mainstream society is grid connected and meeting the daily peak. There is more than enough capacity to keep the lights on at night. BTW wind energy is predominantly available at night so it and solar complement each other nicely. Batteries would be nice, but really not necessary for solar's success.
I wonder also why people seldom bring up how much electricity is 100% wasted simply because of the way we distribute electricity throughout our grid. I believe it's something like 20% of electricity generated is wasted just from losses over the grid. Now, start plugging in a widely distributed network of solar panels, and you can decrease the amount of electricity that is generated for no reason at all. How does this factor into the cost of electricity produced by coal and natural gas generation plants that are centrally located?
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Old 01-24-2014, 09:27 AM
 
Location: DC
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Originally Posted by bradykp View Post
I wonder also why people seldom bring up how much electricity is 100% wasted simply because of the way we distribute electricity throughout our grid. I believe it's something like 20% of electricity generated is wasted just from losses over the grid. Now, start plugging in a widely distributed network of solar panels, and you can decrease the amount of electricity that is generated for no reason at all. How does this factor into the cost of electricity produced by coal and natural gas generation plants that are centrally located?
It's more like 8-10% and a very modest amount of that is transmission, most is in distribution. Solar panels also have their losses, especially the DC to AC conversion. The big advantage to distributed solar is that many cities have transmission bottlenecks that limit the importation of power especially on peak days. Solar is worth a lot if it is on the load side of the bottleneck.
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Old 01-24-2014, 10:45 AM
 
Location: Volcano
12,971 posts, read 23,536,189 times
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Quote:
Originally Posted by augiedogie View Post
I don't know where anyone ever came up with the idea that CO2 is pollution. The only way CO2 is pollution is if AGW is true, and its not. No warming over the last 17 years even though CO2 production continues to go up. Just look at the weather in the USA this past year. No major hurricanes again this year hit the USA, and the number of hurricanes is way down. Very cold winters with lots of snow again hitting the continental USA, just like 40 years ago. Even the number of tornadoes was down this year. Wake up.
Per the special rules that apply in this forum, let's not get into a debate about whether or not climate change is real, OK?

What I was pointing to is the increased acidification of the oceans due to elevated CO2 levels. This is causing major changes in underwater life, such as loss of coral reefs and shellfish range*, and big changes in migratory patterns of fish. Given how important fishing is to our global food supplies, this does not portend well for the future of the human race.

The basics of Green Living all come back to the same simple principle... that we all live in a closed system, dubbed "Spaceship Earth" by Buckminster Fuller many years ago, and that whatever we "throw away" doesn't really go away, because there is no "away" for it to go to. It all stays right here. And now the total CO2 released into the atmosphere is measurably affecting life on earth. That's why we need to reduce CO2 emissions, and that's why zero-emissions power sources and vehicles are so important to our future.

If you're not aligned with the goals of Green Living, this probably isn't the forum for you.


*Just to give one example, out of many that have been studied and reported... there's an oyster hatchery not far from Volcano here in on the Big Island of Hawai'i. Eggs are hatched and grown to the larvae stage here, then shipped to oyster farms in the Pacific Northwest to be grown to eating size in the rich, cold waters there. But the whole business is in a state of decline because many of the larvae aren't developing shells, due to higher acidity of the water, and they die. Many organisms of the sea are like that, depending on surprisingly narrow ecological conditions in order to thrive. We mess with those conditions not just at the peril of those sea creatures, but ultimately at the peril of our own existence.
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