Is the climate-deniers position credible enough for a convincing April fool's joke?

See recent April fools joke on RealClimate.org:
http://www.realclimate.org/index.php/archives/2009/04/farewell-to-our-readers/

Samuel Watterson Says: Your comment is awaiting moderation. 1 April 2009 at 5:07 PM

What I find most hilarious about this post is the number of people who were momentarily fooled by it. (I wasn’t, knowing how deeply committed these authors are - at least to their position if not always the data…)

Isn’t the idea of a good April’s fool gag that is it is convincing enough to fool some people? Makes me wonder whether daring with this wasn’t conceding that the “contrarians” might just have some credibility… Perhaps this gag was a bit too far after all.

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Of course, I believe that term "climate-deniers" is more suited to the legends at RealClimate.org. The fact is that the proxies and methodologies used for historic reconstructions have not been verified by cross-examination with modern records, and the studies resulting from these do not match the historical documentary evidence. The Little Ice Age was very cold, and it was not so cold before it. Are we now warmer than before the Little Ice Age? Do we know? What significance would it have if we were? Documentary evidence indicates that at least the Northern Hemisphere is not as warm as it was.

Is our climate stable or unstable? Is it's instability so bad that a 0.01% change in the atmospheric composition (that roughly represents the increase in CO2 possibly due to human activity) could irreverisibly disrupt it? First we ought to remember who designed it:

"For thus saith the LORD that created the heavens; God himself that formed the earth and made it; he hath established it, he created it not in vain, he formed it to be inhabited: I am the LORD; and there is none else."
- Isaiah 45:18.

And then let us remember the unconditional promise of the Sovereign Lord:

"And the LORD smelled a sweet savour; and the LORD said in his heart, I will not again curse the ground any more for man's sake; for the imagination of man's heart is evil from his youth; neither will I again smite any more every thing living, as I have done. While the earth remaineth, seedtime and harvest, and cold and heat, and summer and winter, and day and night shall not cease."
- Genesis 8:21-22.

Of course this doesn't rule out disruption of the climate system by human activity altogether, but it does set boundaries and limits on it. We ought also to remember the terrible woes that are promised as this present evil age draws to its close. As Christians, we look for the city that has foundations, and the new creation - the new heavens and the new earth wherein dwelleth righteousness with the coming of our Lord Jesus Christ when He will bring fiery vengeance on those who obeyed not the gospel and loved wickedness, while we who by His grace were called, we dwell with Him. And He will be our God, and we will be His people, and He will wipe every tear from our eyes.

So what is the obsession with trying to prove global climate change caused by human activity - first, a global problem requires a global solution, second, human pride loves that sense of self-importance, that if the climate is awry, we are not only responsible, but can save ourselves too. Wonder at the glory of man! He can save himself from every distress! Not even global climate change will stop his progress! But he is godless, his glory is his shame, and his progress is towards hell.

- Sam W.