Activity 3.2.3 – Alternative Energy – (Solar Energy)

 A.

Define alternative energy- Energy that is generated that doesn't deplete natural resources or harm the environment. 


B.

Alternative energy has many advantages compared to fossil fuels. One of the biggest benefits is that it helps reduce pollution since it doesn’t produce harmful greenhouse gases that contribute to climate change. Sources like solar, wind, and water are plentiful and can be used over and over again, so we won't run out of them anytime soon. Switching to alternative energy also helps the economy. It creates jobs for people who make, install, and take care of energy systems, plus it can lead to more stable prices for energy. Using different energy sources also makes us safer when it comes to energy supply. It cuts down on our dependence on foreign oil and helps protect us from problems that can happen if supplies are disrupted.


C. 

Solar energy is a clean and renewable source of power that comes from the sun. It’s considered one of the best alternatives to fossil fuels, like coal and oil, because it has a lower impact on the environment and is abundant. We can use solar energy in two main ways: turning it into electricity with special panels called photovoltaic (PV) cells, or using it directly for heating in systems designed for that purpose.


One of the main benefits of solar energy is that it’s friendly to the environment. It doesn’t produce pollution or greenhouse gases while generating power, which is important for fighting climate change. Additionally, the energy from the sun is virtually unlimited, meaning we won’t run out of it. By using solar energy, we can also rely less on energy sources that deplete over time, which helps make our energy supply more secure. Plus, for homeowners and businesses that install solar panels, it can lead to lower electricity bills, and there are often tax breaks and other incentives to encourage people to adopt this technology.


However, solar energy does have some challenges. One major issue is that it can only be generated when the sun is shining, which means it won’t work on cloudy days or at night. This makes it less reliable unless we have energy storage solutions, like batteries, which can be costly. Also, even the best solar panels only convert about 15-20% of sunlight into electricity, which is lower compared to some traditional energy sources. Making solar panels also requires raw materials and energy, which can reduce some of their environmental benefits. Furthermore, solar panels need a lot of space to install, which might not be possible in crowded cities. Lastly, while the costs of solar energy have dropped significantly over the years, the initial investment to set up solar panels can still be a barrier for some people or organizations, although prices are expected to keep going down.


Despite these challenges, solar energy holds great potential and is an important part of moving towards a more sustainable energy future.


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