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Enviromental Issues Discuss Environmental Issues here.

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Old 05-13-2008, 08:49 PM
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Default World carbon dioxide levels highest for 650,000 years, says US report

you know... It's amazing what the scientists who are NOT corporate shills have to say about the state of our environment.



Quote:

World carbon dioxide levels highest for 650,000 years, says US report
· Rise in chief greenhouse gas worse than feared
· Earth may be losing ability to absorb CO2, say scientists

David Adam, environment correspondent The Guardian,
Tuesday May 13 2008



The concentration of carbon dioxide in the atmosphere has reached a record high, according to the latest figures, renewing fears that climate change could begin to slide out of control.

Scientists at the Mauna Loa observatory in Hawaii say that CO2 levels in the atmosphere now stand at 387 parts per million (ppm), up almost 40% since the industrial revolution and the highest for at least the last 650,000 years.

The figures, published by the US National Oceanic and Atmospheric Administration on its website, also confirm that carbon dioxide, the chief greenhouse gas, is accumulating in the atmosphere faster than expected. The annual mean growth rate for 2007 was 2.14ppm - the fourth year in the last six to see an annual rise greater than 2ppm. From 1970 to 2000, the concentration rose by about 1.5ppm each year, but since 2000 the annual rise has leapt to an average 2.1ppm.

Scientists say the shift could indicate that the Earth is losing its natural ability to soak up billions of tonnes of CO2 each year. Climate models assume that about half our future emissions will be reabsorbed by forests and oceans, but the new figures confirm this may be too optimistic. If more of our carbon pollution stays in the atmosphere, it means emissions will have to be cut by more than is currently projected to prevent dangerous levels of global warming.

...snip

A study last year suggested that the recent surge in atmospheric CO2 levels was down to three processes: growth in the world economy, heavy use of coal in China, and a weakening of natural "sinks", forests, seas and soils that absorb carbon. The scientists said the increase was 35% larger than they expected.

...snip
Well... I hope y'all are ready for a wild ride... cuz I fear we are due for one...

Larger than expected rises... more carbon dioxide in the atmosphere than has been there for 650,000 years... this does not bode well for our civilization, such as it is... nay, this does not bode well at all...



Got uhhhh, spaceship?
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Old 05-13-2008, 08:54 PM
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No Ur Rong Global Warming Is Dumb Al Gor Is Idiot
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Old 05-14-2008, 05:28 PM
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Originally Posted by Zephyr View Post
No Ur Rong Global Warming Is Dumb Al Gor Is Idiot

Frankly, this type of response doesn't help, Zephyr. It's counter productive.

And you know what? Global Climate Change doesn't need ANYONE'S permission to be.
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Old 05-14-2008, 07:04 PM
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I take it that you are an avid supporter of:

1. nuclear power;
2. exploitation of natural gas reserves;
3. windmills off Cape Cod and at all major ski resorts.
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Old 05-14-2008, 07:17 PM
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Originally Posted by Southern Man View Post
I take it that you are an avid supporter of:

1. nuclear power;
2. exploitation of natural gas reserves;
3. windmills off Cape Cod and at all major ski resorts.
1. No. I'm concerned about the fact that the nuclear waste material will remain dangerously radioactive for thousands of years. However, since I can't offer much in the way of alternatives, I won't actively oppose it. I hope that R&D will find a way to alleviate my concern about the nuclear waste.


2. This doesn't make sense. Using natural gas will produce more CO2.


3. Yes, provided that the design minimizes any hazard to bird life.
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Old 05-14-2008, 07:39 PM
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Quote:
Originally Posted by Southern Man View Post
I take it that you are an avid supporter of:

1. nuclear power;
2. exploitation of natural gas reserves;
3. windmills off Cape Cod and at all major ski resorts.
1. Sure if they knew how to deal with the waste, so since they don't, the answer is no.
2. depends on where they are... if they are in your state, sure... no problem
3. sure... why not?

You're not for all these things? Why not?
Do you have another planet stashed somewhere that you plan on living on when this one is no longer inhabitable?
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Old 05-15-2008, 07:26 PM
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Quote:
Originally Posted by Birdzeye View Post
1. No. I'm concerned about the fact that the nuclear waste material will remain dangerously radioactive for thousands of years. However, since I can't offer much in the way of alternatives, I won't actively oppose it. I hope that R&D will find a way to alleviate my concern about the nuclear waste.
2. This doesn't make sense. Using natural gas will produce more CO2.
3. Yes, provided that the design minimizes any hazard to bird life.
Quote:
Originally Posted by TheStripey1 View Post
1. Sure if they knew how to deal with the waste, so since they don't, the answer is no.
2. depends on where they are... if they are in your state, sure... no problem
3. sure... why not?

You're not for all these things? Why not?
Do you have another planet stashed somewhere that you plan on living on when this one is no longer inhabitable?
1. Yucca Mountain, or store it below the plants like the French do.
2. Gas leaks out of the ground anyway, and if unburned, is 20 times more harmful as a greenhouse gas that the CO2 given off when burned.
3. Vertical turbines don’t harm birds, since they see them as solid objects and simply fly around them.
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Old 05-26-2008, 07:52 AM
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Originally Posted by Southern Man View Post
2. Gas leaks out of the ground anyway, and if unburned, is 20 times more harmful as a greenhouse gas that the CO2 given off when burned.
Is this true? Reference please.

My understanding is that LPG is the lesser emitter vs coal by a decent amount.
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Old 05-26-2008, 10:51 AM
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So no one is disputing the point of the article in post #1 or the harmful consequences?

We already know that we can put algae greenhouses next to traditional electricity power plants and reduce the carbon / greenhouse gas emissions from those plants. The algae then produces biofuel for vehicles. So why are we not jump starting this new breakthrough? Biofuel is harvested DAILY from algae and they are improving the design of the algae greenhouses. The first generation looked like a large zig zagging plastic tube with green ooze growing inside. The new design looks like huge venetian blinds inside of plastic encapsulation with each slat in the blinds producing a green ooze.

I have read about the problems at Yucca Mountain being an earthquake fault and the locals not wanting all the country's waste being trucked into the waste site.
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Old 05-26-2008, 07:15 PM
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Originally Posted by Recusant View Post
Is this true? Reference please.

My understanding is that LPG is the lesser emitter vs coal by a decent amount.
Which part don't you believe?
LPG (propane) is a waste product. If you don't burn it, then its a pollutant.
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