The Climate Debate Continues
The climate debate drags on. The latest twist is to debate whether a scientific consensus exists or not. The good thing about science is that there is always room for new evidence and new theories to explain the evidence. In the case of global warming, there seems to no longer be much question about whether the Earth is warming, just why. Is it the result of human activities, increased solar radiation, volcanic activity, or just part of a natural cycle? We may never know. We don’t have a control Earth were we can change the variables one at a time to see which has the greatest impact. Well, I have heard a theory that there is an identical Earth on the opposite side of the Sun, where we can’t see it but…
So, the theories that greenhouse gases are contributing to global warming may or may not be correct. What should people do in each case?
If we believe the theories are correct, we should try to reduce our production of greenhouse gases by using energy more efficiently and developing more sources of energy that do not create these gases. Such source include, wind, solar, wave, tides, nuclear, and biological to name a few. We should conserve energy by upgrading our transportation infrastructure, and improving the efficiency of our homes, offices and factories.
Now, lets say we believe that human activity does not contribute to global warming. Should we burn more oil and coal? Should we ignore new sources of energy, be more wasteful in our homes and factories. Should we let our transportation infrastructure deteriorate? I don’t think so.
All of the things being proposed by scientists for reducing greenhouse gases (and this does not include corn ethanol) are things we should be doing for other reasons. Any waste is a symptom of inefficiency. Everything we waste is something we paid for. Although no process is 100% efficient, the more efficiency the better. Of course there are short term costs, compact florescent light bulbs cost more than incandescent bulbs but, they save money in the long term.
So why all the kicking and screaming? Resistance to change seems to be part of human nature. People are particularly resistant to imposed change. Changing to more efficient systems and new, cleaner sources of energy will produce winners and losers. The losers will try to convince society that the change is not needed and that everyone will be the worse for it, but, they are really just looking out for their self interest. Often that self interest would be better served by embracing the change and adjusting to it – but that would be against their human nature I suppose. U.S. auto makers are the poster child of resistance to change not being in the self-interest.
If we learn to conserve more and harness the new energy sources, human society will be the winner. Brazil set a course to energy independence some years ago and have now achieved it. Sustainability is good economics. In the era of hundred dollar oil, who can afford to waste it?