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The Flipping Point (global warming conversion of skeptic Michael Shermer)
Scientific American ^ | June 2006 | Michael Shermer

Posted on 05/25/2006 9:02:16 AM PDT by cogitator

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To: cogitator
I also am concerned that ... animals and environments still are "in the world" may be drastically changed (even gone) by the time that they reach adulthood.

My ancestors living on the edge of civilization in a wild and untamed wilderness on an unexplored continent every night before bed prayed to God that the wild animals that preyed on them and their crops and that the dangerous environment out their window full of disease and sudden unexpected death, would be drastically changed (even gone) when their children reached adulthood. I'm glad I don't have to worry about a sudden outbreak of smallpox killing me or fearing that a pack of wild wolves will suddenly appear and tear me apart while I'm out plowing the back 40 with my mule.

181 posted on 05/25/2006 1:59:54 PM PDT by FreedomCalls (It's the "Statue of Liberty," not the "Statue of Security.")
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To: Right Wing Professor
..., as long as its extreme.

Your Freudian Slip is showing.

182 posted on 05/25/2006 2:00:57 PM PDT by Doctor Stochastic (Vegetabilisch = chaotisch ist der Charakter der Modernen. - Friedrich Schlegel)
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To: Publius6961
On what basis can the last 10,000 years be deemed more critically important to the debate than the previous 5,999,990,000?

Because that is the time that climate allowed humans to create civilization. Prior to that we were living in caves running around clad only in bearskins and leaves. Is civilization not important to you?

Because you happen to be here?

Of course. It makes it a heck of a lot more important than the year 522,435 BC.

183 posted on 05/25/2006 2:05:21 PM PDT by FreedomCalls (It's the "Statue of Liberty," not the "Statue of Security.")
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To: Sicon
Much of "the right" believes science.

They have kept it well hidden behind a screen of attacks on all types of science for at lest the last fifty years (in my experience) and the last few hunderd (from what I have read.)

184 posted on 05/25/2006 2:11:13 PM PDT by Doctor Stochastic (Vegetabilisch = chaotisch ist der Charakter der Modernen. - Friedrich Schlegel)
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To: Doctor Stochastic

185 posted on 05/25/2006 2:16:32 PM PDT by Ingtar (Prensa dos para el inglés)
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To: HamiltonJay
Every way I look at it, assuming we actually do get a 1-2% worldwide surface level temp change it comes out a good thing in the general sense.. more fresh water, more food, more land...

But it's not clear that this will happen. The models for a future with more CO2 are all over the place (regardless for what Gore says.)

One could easily get a Sahara Earth, or a Sauna Earth, or a have the poles freeze (due to more rainfall) and the equatorial areas either bake or boil (depending on the rainfall details.)

The tricky part is that increased "warming" (more calories, not necessarily higher temperatures) most likely lead to more evaporation and more ice melt. Thus more rainfall (or more snowfall, causing polar glaciation?) A change in the dynamics of ocean currents could lead to a hot equator and frozen Europe. It's not easy to predict. One might just get roughly the same as now but with more storms.

The best indicators of warming are the northward movement of the polar bear, elk, walrus, fish, etc. ranges. Likewise, the growing season in northern climes has lengthened. Mountain glacier destruction and creation seem to dyanmic (at least to me) to be reliable indicators.

186 posted on 05/25/2006 2:20:18 PM PDT by Doctor Stochastic (Vegetabilisch = chaotisch ist der Charakter der Modernen. - Friedrich Schlegel)
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To: Young Scholar
I consider toll roads and bridges the conservative option.

The toll booth delays can be ameliorated by just tracking everyone by GPS and automatically charging their bank account.

187 posted on 05/25/2006 2:22:03 PM PDT by Doctor Stochastic (Vegetabilisch = chaotisch ist der Charakter der Modernen. - Friedrich Schlegel)
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To: Steve Van Doorn
No one can predict the weather.

I assume you are just kidding here.

Predicting "global warming" or "the greenhouse effect" (or whatever) isn't like predicting weather anyway. It's like pointing that summers are hotter than winters on the average. Or predictin that July 2050 will be mostly warmer (in New York City) than January 2051.

188 posted on 05/25/2006 2:24:21 PM PDT by Doctor Stochastic (Vegetabilisch = chaotisch ist der Charakter der Modernen. - Friedrich Schlegel)
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To: Tokra
How does the author explain the melting of the ice caps on Mars? Have we been driving SUVs on Mars?

See post 11 in this thread:

Finally Feeling the Heat

189 posted on 05/25/2006 2:25:30 PM PDT by cogitator
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To: Sicon
Hmmm, kind of leads me to suspect their... objectivity, and whether or not they've got a political agenda.

They do have an agenda -- to try and correct a lot of the incorrect science that has been promulgated by organizations, groups, and individuals opposed to any type of action on global warming. But... they also have a lot of good perspectives on climate science, all in one place. Certainly you can cherry pick biased statements. But if you want to see why climate chance research is not based on wild speculations and scanty data, keep reading.

190 posted on 05/25/2006 2:28:27 PM PDT by cogitator
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To: Doctor Stochastic
"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.

First Volcanoes contributes from 130 to 230 million tons/year of CO2 not 110 million. Sulfur dioxide is the problem with Volcanoes and warming effects on the earth not CO2. If you factor in what Sulfur Dioxide does, Volcanoes contributes considerably more to global warming then what man does per year.

Second why don't you just say how much man contributes instead of adding in other numbers to what man creates?
Of the 186 billion tons of CO2 that enter earth's atmosphere each year from all sources, only 6 billion tons are from human activity.

again even if the earth doubled the total amount of CO2 we would have a temperature increase of around 1.2 Deg C.

191 posted on 05/25/2006 2:29:00 PM PDT by Steve Van Doorn (*in my best Eric cartman voice* “I love you guys”)
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To: HKMk23
It isn't personal, just that the actual data doesn't at all support your claim.

What was the claim?

192 posted on 05/25/2006 2:29:54 PM PDT by cogitator
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To: Steve Van Doorn
If we doubled CO2 we would get +1.2 deg C not anything close to the alarmist are stating.

Only from CO2. Positive feedbacks can increase the warming, negative feedbacks can decrease it. While increasing water vapor is a definite positive feedback, clouds could be strongly positive, weakly positive, neutral, weakly negative, or strongly negative -- and that's a critical area of research right now.

193 posted on 05/25/2006 2:32:53 PM PDT by cogitator
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To: cogitator

http://www.clearlight.com/~mhieb/WVFossils/greenhouse_data.html

An excellent discussion of greenhouse gasses.

Summary page:

Anthropogenic (man-made) CO2 contributions cause only about 0.117% of Earth's greenhouse effect, (factoring in water vapor). This is insignificant!

Adding up all anthropogenic greenhouse sources, the total human contribution to the greenhouse effect is around 0.28% (factoring in water vapor).


194 posted on 05/25/2006 2:36:04 PM PDT by Ingtar (Prensa dos para el inglés)
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To: Steve Van Doorn
If you factor in what Sulfur Dioxide does, Volcanoes contributes considerably more to global warming then what man does per year.

Sulfur dioxide (provided it enters the stratosphere in significant quantities) COOLS the global temperature.

Of the 186 billion tons of CO2 that enter earth's atmosphere each year from all sources, only 6 billion tons are from human activity.

The quantities on the left are the anthropogenic contributions. Add up the natural contributions into the atmosphere and out of the atmosphere and see what you get.

The answer indicates why atmospheric CO2 concentrations are increasing.

195 posted on 05/25/2006 2:41:28 PM PDT by cogitator
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To: Doctor Stochastic
NO one can predict the weather

” I assume you are just kidding here “

NO I am not

Predicting "global warming" or "the greenhouse effect" (or whatever) isn't like predicting weather anyway. It's like pointing that summers are hotter than winters on the average.”


Tell me what the average temperature is going to be 10 million years from now or a million years?

The time period is to long? how about 10000 years from now or 1000 years?

you can’t predict the weather.

BTW- notice the CO2 was over 12x higher then the CO2 we have today and the temperature was cold 550 million years ago?

196 posted on 05/25/2006 2:49:56 PM PDT by Steve Van Doorn (*in my best Eric cartman voice* “I love you guys”)
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To: cogitator
We have gone through this dozens of time with you cogitator. Water Vapor to unpredictable so they omit it from their equastions.

You just don't listening.

197 posted on 05/25/2006 2:57:14 PM PDT by Steve Van Doorn (*in my best Eric cartman voice* “I love you guys”)
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To: Steve Van Doorn

oopos 450 million years not 550 million.


198 posted on 05/25/2006 2:59:27 PM PDT by Steve Van Doorn (*in my best Eric cartman voice* “I love you guys”)
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To: cogitator

MonroeDNA had asserted a steady-state global temp for the past eight years.
http://www.freerepublic.com/focus/f-news/1638148/posts?page=38#38

I figured perhaps that might be possible under some specific measurement scheme, though I'd have to see what that scheme entailed.

From what I can see, though, global temps ARE rising and the only remaining debate is about causes.


199 posted on 05/25/2006 3:06:23 PM PDT by HKMk23 (We keep you alive to serve this ship. Row well, and live.)
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To: HamiltonJay; cogitator
If water suddenly becomes scarce in one part of the world, they will either adapt or move to where the resources are.

This is what I'm trying to say too. The resources required to adapt to change are no more significant, from what I can see, than the resources required to try and prevent the change. Especially one that, according to this very article, is NOT PREVENTABLE.

This is what bothers me, and what cogitator never responded to when I brought it up the first time: According to this article, "even if we reduce our carbon dioxide emissions by 70 percent by 2050, average global temperatures will increase between two and nine degrees by 2100."

Okay, we aren't going to be able to cut carbon dioxide emissions by 70%. We'd have to stop every mammal on Earth from farting. Good luck with that. So what's the point? Change is coming. Learning to adapt seems more practical than trying to hold back the tide with a broom.

200 posted on 05/25/2006 3:14:04 PM PDT by wizardoz
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