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#394875 --- 06/18/06 01:41 PM "An Inconvenient Truth"
Retired Soldier Offline
Silver Member

Registered: 12/23/05
Posts: 12945
Loc: Rochester, NY
I really recommend this film. No matter which side of the issue you think you are on, you owe it to yourself to see it.

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#394876 --- 06/18/06 11:06 PM Re: "An Inconvenient Truth"
Josephus Offline
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Registered: 08/25/00
Posts: 11561
Loc: NYS
Quote:

I really recommend this film. No matter which side of the issue you think you are on, you owe it to yourself to see it.




Never heard of it. What's it about?
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#394877 --- 06/19/06 08:00 PM Re: "An Inconvenient Truth"
Retired Soldier Offline
Silver Member

Registered: 12/23/05
Posts: 12945
Loc: Rochester, NY
It is about Global Warming. It clearly, factually, and unemotionally lays out the scientific basis for Global Warming, the future consequences, and what can be done. Some of the data (taken from the Greenland Ice Cap)goes back 650,000 years.

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#394878 --- 06/19/06 09:19 PM Re: "An Inconvenient Truth"
Killing Machine Offline
Junior Member

Registered: 06/19/06
Posts: 12
Loc: Peterman Village Apartments
Volcanos cause global warming more than humans. Some (right wing funded, but nonetheless) scientists believe that global warming trends actually STOPPED a few years ago.

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#394879 --- 06/19/06 10:36 PM Re: "An Inconvenient Truth"
Josephus Offline
Silver Member

Registered: 08/25/00
Posts: 11561
Loc: NYS
Quote:

Volcanos cause global warming more than humans. Some (right wing funded, but nonetheless) scientists believe that global warming trends actually STOPPED a few years ago.




Funny that these neo con scientists claim that warming trends have stopped, and ignore the fact that the polar caps continue to melt at an alarming rate. As it was with cigarettes and the tobacco industry, for every scientist who comes up with evidence of global warming, the conservatives trot out their own scientists with contradictory evidence.
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I don't want my country back... I want my country forward!

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#394880 --- 06/20/06 04:47 PM Re: "An Inconvenient Truth"
Retired Soldier Offline
Silver Member

Registered: 12/23/05
Posts: 12945
Loc: Rochester, NY
Again, whatever you believe, I would recommend you go see the movie and then make up your mind.

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#394881 --- 06/29/06 04:32 PM Re: "An Inconvenient Truth"
greenelf Offline
Senior Member

Registered: 06/02/06
Posts: 2956
This week's freaky rain & flooding in upstate NY should sell a few tickets to this movie. Did anyone see Gore on the Daily Show this week? My brothers keep insisting global warming is only a left wing plot and all the scientists are wrong. I guess we'll get to see.

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#394882 --- 07/03/06 09:37 AM Re: "An Inconvenient Truth"
past tense Offline
Diamond Member

Registered: 03/05/03
Posts: 29711
Loc: Houston, TX
A left wing plot? To make life better? Improve the quality of life on this planet? To improve this planet? To reverse some man-made damage? Liberals are sneaky like that. What an underhanded plan to extend the life of our planet, our natural resources, and in turn, human existence.


Edited by past tense (07/03/06 09:38 AM)
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#394883 --- 07/09/06 01:34 PM Re: "An Inconvenient Truth"
Modest Yahoo Offline
Junior Member

Registered: 07/09/06
Posts: 14
What about the volcanos?? If we could just get some truth concerning the volcanos, everything would be just dandy. Do volcanos really cause global warming worse than humans?

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#394884 --- 07/10/06 10:55 PM Re: "An Inconvenient Truth"
Rascal Offline
Gold Member

Registered: 06/05/00
Posts: 17022
Loc: Brewerton, NY, USA
I thought volcanoes caused global cooling by their smoke and soot blocking the sun's radiation...

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#394885 --- 07/11/06 02:40 AM Re: "An Inconvenient Truth"
Mumsy Offline
Silver Member

Registered: 07/28/00
Posts: 10683
Loc: Waterloo
THE INFLUENCE OF VOLCANIC ERUPTIONS ON
THE OZONE, GREENHOUSE, AND HAZE EFFECTS
Volcanic eruptions can enhance all three of these climate effects to variable degrees. They contribute to ozone depletion, as well as to both cooling and warming of the earth's atmosphere. The role of volcanic eruptions on each climate effect is described below.

INFLUENCE ON THE OZONE EFFECT:
The halide acid HCl has been shown to be effective in destroying ozone; however, the latest studies show that most volcanic HCl is confined to the troposphere (below the stratosphere), where it is washed out by rain. Thus, it never has the opportunity to react with ozone. On the other hand, satellite data after the 1991 eruptions of Mt.Pinatubo (the Philippines) and Mt. Hudson (Chile) showed a 15-20% ozone loss at high latitudes, and a greater than 50% loss over the Antarctic! Thus, it appears that volcanic eruptions can play a significant role in reducing ozone levels. However, it is an indirect role, which cannot be directly attributed to volcanic HCl. Eruption-generated particles, or aerosols, appear to provide surfaces upon which chemical reactions take place. The particles themselves do not contribute to ozone destruction, but they interact with chlorine- and bromine-bearing compounds from human-made CFCs. Fortunately, volcanic particles will settle out of the stratosphere in two or three years, so that the effects of volcanic eruptions on ozone depletion are short lived. Although volcanic aerosols provide a catalyst for ozone depletion, the real culprits in destroying ozone are human-generated CFCs. Scientists expect the ozone layer to recover due to restrictions on CFCs and other ozone-depleting chemicals by the United Nations Montreal Protocol on Substances that Deplete the Ozone Layer. However, future volcanic eruptions will cause fluctuations in the recovery process.

INFLUENCE ON THE GREENHOUSE EFFECT:
Volcanic eruptions can enhance global warming by adding CO2 to the atmosphere. However, a far greater amount of CO2 is contributed to the atmosphere by human activities each year than by volcanic eruptions. Volcanoes contribute about 110 million tons/year, whereas other sources contribute about 10 billion tons/year. The small amount of global warming caused by eruption-generated greenhouse gases is offset by the far greater amount of global cooling caused by eruption-generated particles in the stratosphere (the haze effect). Greenhouse warming of the earth has been particularly evident since 1980. Without the cooling influence of such eruptions as El Chichon (1982) and Mt. Pinatubo (1991), described below, greenhouse warming would have been more pronounced.

INFLUENCE ON THE HAZE EFFECT:
Volcanic eruptions enhance the haze effect to a greater extent than the greenhouse effect, and thus they can lower mean global temperatures. It was thought for many years that the greatest volcanic contribution of the haze effect was from the suspended ash particles in the upper atmosphere that would block out solar radiation. However, these ideas changed in the 1982 after the eruption of the Mexican volcano, El Chichon. Although the 1980 eruption of Mt. St. Helens lowered global temperatures by 0.1OC, the much smaller eruption of El Chichon lowered global temperatures three to five times as much. Although the Mt. St. Helens blast emitted a greater amount of ash in the stratosphere, the El Chichon eruption emitted a much greater volume of sulfur-rich gases (40x more). It appears that the volume of pyroclastic debris emitted during a blast is not the best criteria to measure its effects on the atmosphere. The amount of sulfur-rich gases appears to be more important. Sulfur combines with water vapor in the stratosphere to form dense clouds of tiny sulfuric acid droplets. These droplets take several years to settle out and they are capable to decreasing the troposphere temperatures because they absorb solar radiation and scatter it back to space.

EXAMPLES OF GLOBAL COOLING IN THE AFTERMATH OF HISTORIC ERUPTIONS:
Observational evidence shows a clear correlation between historic eruptions and subsequent years of cold climate conditions. Four well-known historic examples are described below.


LAKI (1783) -- The eastern U.S. recorded the lowest-ever winter average temperature in 1783-84, about 4.8OC below the 225-year average. Europe also experienced an abnormally severe winter. Benjamin Franklin suggested that these cold conditions resulted from the blocking out of sunlight by dust and gases created by the Iceland Laki eruption in 1783. The Laki eruption was the largest outpouring of basalt lava in historic times. Franklin's hypothesis is consistent with modern scientific theory, which suggests that large volumes of SO2 are the main culprit in haze-effect global cooling.

TAMBORA (1815) -- Thirty years later, in 1815, the eruption of Mt. Tambora, Indonesia, resulted in an extremely cold spring and summer in 1816, which became known as the year without a summer. The Tambora eruption is believed to be the largest of the last ten thousand years. New England and Europe were hit exceptionally hard. Snowfalls and frost occurred in June, July and August and all but the hardiest grains were destroyed. Destruction of the corn crop forced farmers to slaughter their animals. Soup kitchens were opened to feed the hungry. Sea ice migrated across Atlantic shipping lanes, and alpine glaciers advanced down mountain slopes to exceptionally low elevations.

KRAKATAU (1883) -- Eruption of the Indonesian volcano Krakatau in August 1883 generated twenty times the volume of tephra released by the 1980 eruption of Mt. St. Helens. Krakatau was the second largest eruption in history, dwarfed only by the eruption of neighboring Tambora in 1815 (see above). For months after the Krakatau eruption, the world experienced unseasonably cool weather, brilliant sunsets, and prolonged twilights due to the spread of aerosols throughout the stratosphere. The brilliant sunsets are typical of atmospheric haze. The unusual and prolonged sunsets generated considerable contemporary debate on their origin.

PINATUBO (1991) -- Mt. Pinatubo erupted in the Philippines on June 15, 1991, and one month later Mt. Hudson in southern Chile also erupted. The Pinatubo eruption produced the largest sulfur oxide cloud this century. The combined aerosol plume of Mt. Pinatubo and Mt. Hudson diffused around the globe in a matter of months. The data collected after these eruptions show that mean world temperatures decreased by about 1 degree Centigrade over the subsequent two years. This cooling effect was welcomed by many scientists who saw it as a counter-balance to global warming.
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#394886 --- 07/22/06 08:22 PM Re: "An Inconvenient Truth"
cleangov Offline
Senior Member

Registered: 05/14/06
Posts: 1366
Loc: NY
I wemt to see it tonight. I recommend it to everyone. The pictures of all the glaciers shrinking around the world are very convincing.

The most startling thing I learned is that there is one scenario where the ocean could rise 20 feet in the next 10 years and displace 500 million people.

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#394887 --- 07/22/06 08:27 PM Re: "An Inconvenient Truth"
Rascal Offline
Gold Member

Registered: 06/05/00
Posts: 17022
Loc: Brewerton, NY, USA
How much CO2 did you contribute on your venture?

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#394888 --- 07/22/06 08:36 PM Re: "An Inconvenient Truth"
cleangov Offline
Senior Member

Registered: 05/14/06
Posts: 1366
Loc: NY
Quote:

How much CO2 did you contribute on your venture?




It was CO2 well spent. I bet you don't have the nerve to go see it, do you?

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#394889 --- 07/23/06 09:18 PM Re: "An Inconvenient Truth"
sands Offline
Senior Member

Registered: 09/05/05
Posts: 8255
Loc: NY
Quote:

Do volcanos really cause global warming worse than humans?




More than 17,000 scientists have signed a petition sponsored by Dr. Frederick Seitz, past president of the National Academy of Sciences, refuting Gore's claims that global warming is human-induced.

The petition states: "There is no convincing scientific evidence that human release of carbon dioxide, methane, or other greenhouse gasses is causing or will, in the foreseeable future, cause catastrophic heating of the Earth's atmosphere and disruption of the Earth's climate. Moreover, there is substantial scientific evidence that increases in atmospheric carbon dioxide produce many beneficial effects upon the natural plant and animal environments of the Earth."


http://patriotpost.us/pub/06-25_Digest.htm
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#394890 --- 08/11/06 11:22 PM Re: "An Inconvenient Truth"
Josephus Offline
Silver Member

Registered: 08/25/00
Posts: 11561
Loc: NYS
From the Conservative Journal of Record? You don't suppose these guys might have an agenda, do you?
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I don't want my country back... I want my country forward!

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#394891 --- 08/11/06 11:24 PM Re: "An Inconvenient Truth"
Josephus Offline
Silver Member

Registered: 08/25/00
Posts: 11561
Loc: NYS
I finally had a chance to see this film tonight at the Movieplex in Auburn. Not only was the film reveting, but the data and conclusions were startling. I echo the voice of others and urge you to see this movie. As RS said, "You owe it to yourself."
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I don't want my country back... I want my country forward!

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#394892 --- 01/22/07 03:48 PM Re: "An Inconvenient Truth"
american girl Offline
Senior Member

Registered: 06/18/05
Posts: 3511
Loc: ny
I finally saw this on pay per view...it is alarming, and I think everyone should see it , no matter what they believe...SOMETHING needs to be done and SOON. I am starting to do my part, although it feels like such an uphill battle, ala David and Goliath..


What does everyone think about stores offering money off or refunds if you replace your old light bulbs with those new ones? Like, a "bring in your old bulb in" day and get money off a new one...or simply offer a rebate for buying the new ones? Think that would encourage anyone? They could show the movie above the endcap where they display the new bulbs. I know they are pricey, that is why I though of that, but they are worth the money in the long run.
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#394893 --- 01/28/07 10:41 AM Re: "An Inconvenient Truth"
alummule Offline
Senior Member

Registered: 01/23/07
Posts: 622
Loc: yes
I am cynical on this issue . I try to use less energy but as i ride my bicycle to the store i get passed by Hummers, Cadillac Escalades ect then i go past huge houses . This will only be solved if we all do our part .

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#394894 --- 01/28/07 01:20 PM Re: "An Inconvenient Truth"
american girl Offline
Senior Member

Registered: 06/18/05
Posts: 3511
Loc: ny
I agree....I just went to a smaller, more fuel efficient vehicle, but could not afford the hybrid...I do miss the roominess of the mini van and SUV though
But, better to miss that, than half the world...
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