But whatever technology may be able to deliver to us in the future, the critical factor for the proper functioning of the world as we know it remains energy.
But it takes a wise man (or government) to plan for many generations to come, to look at the alternatives we can explore so that future generations can survive the decline of fossil fuels.
Renewable energy, however, needs to be taken seriously, more so as oil prices soar to levels never before seen. Oil, most experts agree, will not dip below US$50 a barrel. In fact, if anything, it's likely to approach the US$100 mark.