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I was once told by a co-worker that change within any
organization happens incrementally, and that big changes in the short-term
cannot be expected to yield results. After reading a news article from SustainableBusiness.com
on energy projections for the future, I was left to wonder: what is the
timespan for incremental change on a worldwide scale, particularly with regard
to worldwide energy consumption, policies, and solutions?

According to the Energy Information Administration (EIA),
the world's energy consumption is expected to grow 53% by 2035. And while the
use of renewables is said to grow from 10% (2008) to 15% (2035), fossil fuels
are still expected to be the main energy source, accounting for 78% of the
total.
This
projection from the EIA's Annual Energy Outlook 2011, depicts past and future U.S. liquid fuel consumption
rates.
The problem with forecasts like these is that the
statistical "crystal ball" only uses currently implemented policies to predict
the future. The article states that "[the report] …doesn't consider prospective
legislation that could affect energy markets." Unforeseen events such as
scientific or technological advances, industry blunders, environmental problems,
or political transformations can also shift national and worldwide interests. How
fast these changes develop and how much impact they have remains to be seen.
A brief energy analysis of my own led has presented some
interesting data. Drawing from BP's 2011 Statistical
Review of World Energy, primary energy fuel consumption since 1965 has
increased ~219% and in the last 25 years has increased by ~68%. Using
population data from Google's public data figures, total world population has
increased by about half as much (~108% and ~43% respectively) as total energy
consumption in these time frames.


Regardless of all this information and the conclusions one
can draw from it, current rates of development and consumption are sending a message:
fossil fuels will still be the primary answer to energy needs in 2035 by a
large degree. Is this the type of incremental change that should be expected on
a global scale? Are the marginal projections for sustainable energies
acceptable, or should the world be working harder to shift its focus?
Sources:
SustainableBusiness.com
News
EIA - Annual
Energy Outlook 2011
BP
- Statistical Review of World Energy, June 2011
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