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Opinions clash in global warming debate

Abstract:
In the only country still debating whether global warming is man-made, according to SJSU professor Alex Gershenson, another contest to discuss it was held Tuesday night at San Jose's Rotary Club.

The event, put on by The Conservative Forum of Silicon Valley, saw two speakers on each side of the issue go head-to-head for 90 minutes on the validity of global warming and its attribution to the activities of humans....

  • Displaying 1 - 11 of 11

R James

posted 11/20/08 @ 4:33 AM PST

Hang on - let's get a few facts straight. Firstly, there is more and more doubt that global warming is due to human activity. In fact, there's growing evidence to the opposite. Just the fact that the Earth has cooled for the past 10 years, despite an increase in CO2, raises serious doubts. Plenty of other countries are questioning this.

Secondly, the IPCC summary is written by politicians. It might be reviewed by scientists, but what they don't tell us is that the scientists don't necessarily agree with it. The summary isn't supported by 2,500 scientists - in fact many have openly opposed it. Have a look on the IPCC web site, and you'll see that this organisation doesn't carry out research. It uses selected scientific reports, and politicians draw its own conclusions, many of which aren't consistent with the science. Recently in Australia, the Chairman, Mr. Pachauri foolishly claimed that global warming was happening faster than expected, while in fact, it's been cooling. These people are far removed from reality. None of their mathematical models have matched what has actually happened with global temperatures. They now tell us that the Earth mightn't warm again for 5 - 10 years, just to cover themselves both ways. Meanwhile, look at the long term data - at least the last 2,000 years - there's nothing unusual with our climate. Dennis Hollars has it right.

Alexander Gershenson

posted 11/22/08 @ 9:47 AM PST

I am very sorry, but your facts are not correct. The IPCC report is written by scientists only. The executive summary (a very brief synopsis of the IPCC report) is also written by scientists, and commented on by politicians from all countries that have contributed to the report. No one is saying that there may be no warming for the next five-ten years. That is simply incorrect. I urge you to actually look at the data, rather than listening to someone summarizing it.

Bob

posted 11/20/08 @ 1:47 PM PST

The New Zealand government is currently deciding how far to commit itself to Kyoto and/or ETS legislation. As part of this they have suspended all decisions until they have completed a commissioned study into all aspects of the global warming question, both for and against. This is in light of the fact that although CO2 levels have risen 5% since 1998, the global temperatures have dropped. None of the IPCC projections included this scenario.

Alexander Gershenson

posted 11/22/08 @ 9:52 AM PST

New Zealand is not deliberating whether to join Kyoto, they are already members, and plan on taxing carbon. Average temperatures are on the rise since 1998, if you take 1998 out of the lineup (it was an anomalous year, due to a strong El Nino event) temperatures are clearly climbing. Please familiarize yourself with the facts.

Bob

posted 11/24/08 @ 6:15 PM PST

Yes, NZ is a signatory to the Kyoto protocol, unfortunately, and is now in a difficult position, especially taking into account the current financial crisis. The question is what to do about it. The new government is a coalition (under the MMP system) of National, Act and the Maori party. Act campaigned on only three issues, one of which was to dump the ETS and pull out of Kyoto. They are now part of the government, and National is wisely re-opening the debate, which was firmly closed by the previous Labour/Green coalition. The interesting thing is that the debate encompasses not just the carbon tax/ETS issues, but the actual science behind the Kyoto assumptions.

It is noteworthy that Rodney Hide, the head of the Act party, is the only qualified environmental scientist in parliament (which includes, interestingly, the Greens). In itself that proves nothing, but he is certainly able to assess the scientific value of the IPCC assertions and assumptions better than your average politician. And he is staking his political future on the fact that those asserstions and assumptions are wrong.

Regarding the future, the head of the Chamber of Commerce, Charles Finny, said recently:
"But the chances of there being a successor treaty to Kyoto in place when it expires at the end of 2012 are close to nil in the current environment."

My point was though, that the US is NOT the only country in the world that is still debating the issue of man-made global warming. Even an environmentally aware country like NZ is debating it daily.

Regarding the 1998 El Nino effect, you are right that it was an anomaly, but nevertheless my statement is correct: since 1998 temperatures have dropped. The important point here is that they dropped in spite of a 5% rise in CO2 over the same period. (I notice, going back, that many of the graphs used by the alarmists, including the infamous "hockey-stick" graph, shamelessly used the intial rising part of the 1998 effect as "proof" that global temperatures were getting out of control due to CO2 increases, even well after the El Nino effect had ended.) My main point here was that the IPCC temperature projections have been proven flat out wrong. According to them, the temperature would always rise steeply from whatever year they were on, and continue rising. The actual measured temperature plots have consistently been well below the 'lowest-bound' predicted values in each case. At no stage did they ever have projections that included cooling or even static temperatures in the event that CO2 levels increased. Why not, if their models are so accurate? The actual measured temperatures, whether rising or falling (and they do both) are well within normal climate levels for good old planet Earth. The whole thing is a non-event, but unfortunately a very costly one for all concerned, especially the genuine environmental scientists who are trying to improve living conditions for the many impoverished nations around the world, and have had funding diverted to global-warming research. They will also be tarred with the same brush when the whole debacle blows up and environmental scientists are discredited worldwide.

At the end of it all, the IPCC has yet to predict ANYTHING accurately, and yet Kyoto and other damaging protocols are all based on these predictions. The debate is DEFINITELY not over.

Dr A Burns

posted 11/21/08 @ 1:19 PM PST

Look at the data ... the world has been cooling for the past decade. Despite this, an ex-railway engineer with no training in climatology, who heads up the IPCC, claims it is warming ! Thousands of politicians and millions of uneducated, unthinking masses follow blindly.

The IPCC is a political group ... it is a governmental panel ... it may have 2500 members but only 62 reviewed the section on man's CO2 causing non existent warming.

Greg

posted 11/21/08 @ 1:31 PM PST

How about the 30,000 scientists who do not believe global warming is man-made? What I find interesting is that in spite of the Bay Area's supposed open-mindedness, its residents are just the opposite on global warming and actually choose to be closed-minded to scientific fact. Mm...I love the smell of hypocrisy in the morning.
http://www.petitionproject.org/

Ralph Bernstein

posted 11/26/08 @ 7:36 PM PST

There is a significant difference between scientific reasoning and analysis, and simple opinions and assertions. Trust the experts, who use mathematical modeling and atmosheric physics, and ignore the people who think they know something, but do not have the scientific education, interlect, and tools to really understand the processes. Global warming is happening due to man's activities, and denying that is foolish and dangerous.

Myron

posted 1/08/09 @ 6:30 PM PST

Originally posted by

Ralph Bernstein

There is a significant difference between scientific reasoning and analysis, and simple opinions and assertions. Trust the experts, who use mathematical modeling and atmosheric physics, and ignore the people who think they know something, but do not have the scientific education, interlect, and tools to really understand the processes. Global warming is happening due to man's activities, and denying that is foolish and dangerous.

Perhaps if you had a scientific background,and read the reports and graphs presented, you would see that most of the scientists say that man does not cause global warming, even if it were to occur. They only do not deny that global warming, may or may not be occuring.

Daniel

posted 12/21/08 @ 1:09 PM PST

What I find fascinating is the "they are scientists, they know what they are talking about" argument. I would point out that in the 1970's, the "consensus" of scientists were convinced that we were on the verge of entering a global cooling period, with much of the same predictions of disaster that we are seeing now. They were wrong then, why are we all so gullible to believe that they are right now? Science isnt about a consensus. If you will remember your gradeschool science class, science is about making a hypothesis, then trying to prove it wrong. Once you do so, the hypothesis is thrown out or changed and tested again. Unfortunately in this case, the majority of governments tend to believe the hypothesis and ignore the factual inconsistancies. Inconsistancies which, I might add, put more holes in the global warming theory than there are holes in the ozone layer.

andy

posted 10/22/09 @ 1:50 AM PST

i think global warming is wrong. i think that if people didn't do stuff like spray themselves with deoderants and hairspray, we might be alright. i also kind of blame it n the cows of britain. if they didn't produce so much gas, we might be in a better situation. x
  • Displaying 1 - 11 of 11

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