A follow-up on global warming: As I suspected, in spite of the way some are talking, the debate isn’t quite “settled”—at least for those of us who don’t buy the argument that scientific truths are “settled” by opinion polls, or an appeal to either side’s bandwagon.
A recap of the two sides of the debate, as I see them:
(1) The globe is warming, and it’s our fault; or,
(2) The globe is warming, and it’s the sun’s fault.
Why am I interested in the global warming topic? Because of the impact the globe’s politicians will have on the rate of global wealth creation (i.e., the rate at which the people of the globe escape from poverty), whichever way the science goes. If it’s our fault, then the proper question is, what should we do, if anything, to mitigate our effect? If it’s not our fault, then the proper question is, what should we do, if anything, to prepare for the inevitable?
Getting the science right will help ensure that we don’t waste global resources by solving the wrong problem. [The worst thing we could possibly do would be to get the science wrong, but to keep that under wraps—because the “solution” money is necessary to fund the politicians advocating the “solution.” I can’t think of a bigger waste of economic resources, can you?]
I discovered a forum at BadAstromony.com that looked like a good place for me to start isolating the science from the politics, so I asked my question at the beginning of this thread.
One of the intriguing responses included this hypothesis and tentative conclusion . . .
Hypothesis:
Global warming is a significant problem and is caused by mostly by CO2 from human activities.
[--Facts and estimates--]
Tentative conclusion:
The only non-debatable issue is that there is some temperature increase due to human CO2 emission. The magnitude of CO2’s historical contribution to temperature is debatable, and the magnitude of future CO2 emissions is a step above guesswork (maybe two steps). Add to that the question of whether warming is bad in the first place (which is probably a function of how much warming we’re talking about, which is guesswork), and the question of what we can do about it anyway (not much without nuclear or draconian measures to change our energy consumption), and I think I can safely say that debate is still called for here.
To see the responser's entire post, including the “facts and estimates,” go to this link.
That’s where my time-constrained research stands. The scientific debate is still open, and I’ll be keeping an eye on it—because of my interest in economics.