The essay as it appears in the video:
What are some alternatives to fossil fuels? Do you feel the world will ever stop using them?
Global dependence on fossil fuels continues to be a pressing problem in the modern world. Although environmentally friendly energy sources are available, market prices make these alternatives prohibitively expensive for most people. I argue that humanity will indeed stop using fossil fuels in the future, but this will only happen when the price of cleaner energy sources falls to a point of competition. This will be proved by looking specifically at current trends within solar energy and biodiesel consumption.
Firstly, the increased availability of solar water heaters has made solar energy prices competitive with fossil fuels in some parts of the world. For example, the mass production of solar water heaters in China has led to their adoption as a cheap alternative to water heated using coal. Because this trend comes as a direct result of financial incentive, it is logical to conclude that market shifts will eventually cause green energy to take the place of fossil fuels.
This phenomenon is further exemplified by alternative fuel types such as biodiesel. For instance, although still slightly more expensive than energy sources derived from fossil fuels, biodiesel’s steady decline in price over the past 20 years coincides directly with a rise in its sales in most parts of the world. As most experts argue, a massive shift to biodiesel consumption will occur when prices remain consistently below fossil fuels. Thus, worldwide dependence on fossil fuels can be expected to erode as alternatives become more economical.
As evidenced by these trends in solar energy and biodiesel consumption, humanity is gradually shifting itself from fossil fuels to more environmentally friendly energy sources, and I hope this development continues.
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