zeaper, you said;
just because an energy source will not provide all the needed energy does not mean that it should not be pursuedNo one is saying don't produce coal bed methane, but they are saying that as far as we can project right now and into the future coal bed methane will only be able to supply a very small proportion of NG needs. Therefore it is not a great idea to say we don't have to worry about a conventional NG shortage as we can just make up a shortage in conventional production from coal bed methane.
Also the same experts who are warning us over coming shortages in natural gas believe the world is facing a peak in oil production as well, not just gas. So there would be a double whammy with both natural gas and oil production dropping off while demand for all forms of energy continues to rise. Asian countries are trying their best to industrialize and catch up to the West, the industries in the West continue to assume they must expand to be competitive with Asia and with each other and the planet's population in general continues to grow, requiring more and more resources to sustain that growth.
After production of oil and gas has peaked, it means you have basically run out of the easily accessible oil and gas and as you continue to pump out of the ground or artificially make new oil and gas it requires greater and greater inputs of money and energy for a diminishing output of oil and/or gas. Note that the synthetic natural gas you mentioned in your post requires inputs of energy to produce the steam to complete the breakdown of the lignite and more energy use in the purification of the resulting gasses etc., not to mention the mining and shipping of the lignite coal to the gas plant.
All very energy intensive compared to drilling a well and sticking a length of pipe into the ground and letting the resulting gas flow into a pipeline. In other words, it generally requires a great deal more money and energy inputs to get the energy outputs out the other end when you working at non-conventional oil and gas production compared to conventional oil and gas production. At some point when the effects of laws of thermodynamics kicks in, you're likely to end up burning more energy as inputs than the energy you get as outputs. Burning the equivelant of two barrels of oil to get one barrel out at the other end of the process is unlikely to be sustainable.
As the law of diminishing returns kicks in and energy shortages occur and prices rise, one of the fundamental underpinnings of our traditional economies, the assumption of always having an abundant and relatively cheap source of concentrated energy to do our work for us, will be knocked for a loop.
The people who are raising these issues about a coming world production peak in conventional oil and gas are, by and large, people who would be classified as experts in the field. They are convinced that this is a serious issue that will confront us all and sooner than we think. Their belief is that our current levels of technology will not provide us alternative sources of energy that will be able to replace the concentrated energy sources like oil and gas that we and our economies have become accustomed to.
One such expert is Professor Colin Campbell PhD. He is a petroleum geologist and spent an entire career as an executive and energy consultant to business and government. Here is a link to a real player video presentation he gave at the University of Clausthall, Germany in Dec 2000 on the Peak Oil problem:
www.rz.tu-clausthal.de/realvideo/event/peak-oil.ram
If you have a problem with the video stream, the lecture notes are available here:
http://energycrisis.org/de/lecture.htmlAnother expert would be Mathew Simmons an investment banker managing a firm with a $56 billion investment portfolio and specialing in energy related investments. He was also on Dick Cheney's advisory board on energy in 2001.
Simmons recently addressed a meeting of the ASPO (Association for the Study of Peak Oil) meeting at the French Petroleum Institute (A French gov't institution). A transcript of his speech is avaialable here:
http://www.fromthewilderness.com/free/ww3/061203_simmons.htmlSnip from Simmons' address to ASPO:
First of all, if you start out by saying usable energy is the world's most critical resource then obviously it is an important issue.
Without volume energy we have no sustainable water, we have no sustainable food, we now have no sustainable healthcare. And since five-sixths of the world still barely uses any energy it really is an important issue. And since five-sixths of the world is still growing fast or too fast it's even a more important issue.
What peaking does mean, in energy terms, is that once you've peaked, further growth in supply, is over. Peaking is generally, also, a relatively quick transition to a relatively serious decline at least on a basin by basin basis. And the issue then, is the world's biggest serious question.
Peaking of oil is also probably then assuming peaking of gas too. So is this issue important, I think the answer is an emphatic yes. Why does this issue evoke such controversy? Well, I think for several reasons, first of all the term "peaking", unfortunately, does suggest a bleak future. It also suggests high future energy prices and neither are pleasant thoughts. edit:spelling