Written by Brigitte Lim
In a few years, our non-renewable energy resources like coal and oil will run out. If this happens, how will we drive our cars, cook our food or switch on our lights? Fortunately, scientists, engineers, business developers, and the government have been developing technologies to harness a new type of energy resource: renewable energy. These resources include force from wind or water, heat from the ground, and light from the sun—scientists refer to them as wind energy, hydropower, geothermal energy, and solar energy.
In order to use these natural resources, we need to understand how they work, and invent technologies that can help up harness their energy. Some inventions that harness renewable energy include windmills, dams, pipes that inject water into the ground to make steam come out, and solar photovoltaic modules. These technologies work great but are not yet used as much as the technologies for coal and oil.
The term “Renewable” describes wind energy, hydropower, geothermal and solar energy really well. These resources are abundant in nature and will be around for a very long time, even if we use them a lot. However, people need to slowly stop using oil and coal, and invest more time, money, and resources into developing renewable energy technologies. This way, we could continue traveling, eating warm meals, and keeping our homes bright at night!
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