Global Energy For The 21st Century

Forget about gasoline, cars and depletion ofharness this source in a cost-effective way may
carbon based energy sources. We have electricvery well be the long-term solution for fueling our
cars already. We're not running out of oil any time50 thousand flights per days as well as all our
soon, right? So why should we worry? Gas pricesfuture energy needs. Focus, commitment and
are back down again and we all know everythinginvestment in basic research will be the key to
always returns to normal.getting there.
But I wonder how we will operate more than 50But until we have viable alternatives, renewable
thousand daily commercial flights the day weenergy sources have to be part of the solution
eventually run out of oil? Electric planes? Becausefor our energy needs. Hydro, wind and solar are
that day will arrive sooner or later. So most of usthe major renewable sources today. The former
are worried and for different reasons. Somehas been with us for a while and continues to be
believe global warming and carbon emissions willa fantastic, clean source of energy but availability
be the catalyst that will end all life on our planet. Ifis unfortunately severely limited. Wind is an
you've heard Jeremy Rifkin speak on this issue,excellent renewable energy option but has a
you're probably walking around scared to death,fundamental cost limitation that makes this source
thinking it is already too late and that our planet isan inadequate long-term alternative.
doomed. Others are more concerned withSolar energy is abundant but far too costly today.
self-sufficiency and reducing dependency onMost of the installed solar power in the world is in
foreign oil. And many simply want cheaper andSpain and Germany, a direct result of
cleaner energy sources.government incentives and programs. The
People have different opinions and concerns -extraordinary characteristic of solar energy - this
some more intense and emotional than others -may not be clear to most people - is that there is
but most of us believe that we need to developa clear way to drive the fundamental cost down
a long-term policy and find a solution to thisand eventually make this power source cheaper
planet's growing energy needs and challenges. Ithan the electricity you and I buy today. And it is
agree.clean, renewable and we don't need to import it.
In a prior article I wrote about what this planet willSounds pretty good, but can we really reduce the
be like 100 years from now. It is not that farcost that dramatically?
away - just ask some of the centenarians thatYes, and here is why. The cumulative effect of
are still with us. Let us narrow down thisaccelerating technology advances, manufacturing
fascinating question and ask: what will our primaryefficiencies, rapidly increasing volumes, which will
sources of energy be in the year 2109? Todayadvance us quickly down the learning curve, will
the majority of our electricity comes from coal.eventually drive down the cost per watt to a
Anything that moves uses for the most part fuelfraction of what it is today. The payback period
from oil derivatives. Coal and oil. Both dirty, carbontoday for converting your house to solar is 8-10
based and steadily being depleted. The ethanolyears, far too expensive for the average
alternative is so feeble and without merit that Iconsumer. A few years from now it could easily
will not discuss it. I doubt, in fact I'm quite certain,be 2-3 years. Maybe central solar plants will
that none of these energy sources will make it tobecome the primary solution and not individual
the top of the list a century from now.solar installations. Or more likely a hybrid model.
Nuclear is an interesting alternative but politicallyRegardless of how solar power is ultimately
handicapped given the checkered past and theimplemented, the potential cost equation and
perceived danger of uranium and radiation, whichbenefits remain outstanding. But the only way to
have been further amplified by its nastyget the cost down to acceptable levels is to ramp
association with nuclear accidents, waste, wars,up the volume through massive installations
bombs, movies and a plethora of books on theworldwide!
subject. Nevertheless, there has been tremendousThis solar opportunity is available on a silver
advancement in nuclear power plant technology,platter to Obama and to the rest of the world
and it is a clean, abundant and very cheap sourceleaders that are located in the warmer regions
of energy. But the stigma and political challenges,where solar power is best suited. This is a timely
especially in this country, remain formidable, and Iand once-in-a-lifetime chance to make an
do not expect it'll be a real alternative any timeunprecedented disruptive contribution to the global
soon. However, other countries around the world,energy situation, while at the same time initiate
including the Middle East, are making bets onmajor public works projects that will contribute to
nuclear power plants and are investing heavily inan economy recovery. Why not pursue this
this area.instead of injecting hundreds of billions of dollars
Basic research in alternative energy sourcesinto businesses that are fundamentally broken?
should take a higher priority in public and privateThe short-term and long-term payback for the
institutions worldwide. I'm positive that suchplanet will be immeasurable. Embarking on this
efforts will ultimately produce results that wepath today could very well make the difference
today never could imagine would be possible.to the quality of life for our great-grandkids 100
Hydrogen is an abundant resource with massiveyears from now.
amounts of latent energy. Being able to safely