Table of contents
1. Introduction
2. Climate change
3. Energy production
4. Security of supply
5. Renewable energy
『6. Summary
Climate change is already being witnessed around the global through
increasing temperatures, rising sea levels, and decreasing snow
cover. However, these changes are expected to intensify as more
GHG emissions are emitted to the atmosphere. After analysing the
source of GHG emissions in the atmosphere, it is evident that
83% of total GHG emissions are related to energy, primarily the
burning of fossil fuels. Therefore, to minimise the impact of
any future climate changes, the energy sector needs to be decarbonised.
After analysing the current and projected trends in global energy
production, it is clear that the world's dependence on fossil
fuels will increase and hence, GHG emissions will also increase.
In addition, due to the scale of the world's fossil fuel dependence
it is currently predicted that oil and gas resources will have
depleted within the next century. Therefore, from both an environmental
and a sustainability perspective, it is essential that the world
eradicates its addiction to fossil fuels.
Renewable energy is one potential solution to this global problem.
This investigation illustrates that renewable technologies are
now competitive with fossil fuel alternatives and there is a significant
renewable resource spread across the entire globe.』
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Figure 11: Estimated years by various organisations for the year of peak oil [9]. (URR = Ultimately Recoverable Resource) Figure 12: Historical discovery and consumption of fossil fuel [12]. Figure 20: Evolution of energy consumption from 1850 to 1990, with various projections up to 2100 [14, 15]. Connoly(2011)による『The global energy challenge』から |