| Solar energy history can be traced back to a hundred | | | | It is not surprising to scientists because they have |
| years ago. Although there are many people using solar | | | | studied this kind of solar use for lots of years. A study |
| power and looking for ways to install solar power | | | | of a French mathematician carried out a hundred year |
| systems at home nowadays, solar energy history | | | | ago can be seen as the beginning of the solar energy |
| began just a hundred years ago. | | | | history. The study has encouraged other scientists. |
| People have discovered that the reliance on imported | | | | More and more solar power companies have been |
| oil may lead to many problems. The price of it | | | | set up to continue to experiment and develop the use |
| fluctuates because its sources are mainly located in | | | | of solar energy in both industrial and residential fields. |
| unstable areas. Crisis may lead gas price to go up, | | | | The effort of scientists and solar power companies |
| meaning that the users have to pay more money, and | | | | did not make solar energy popular among the public at |
| even worse, the supplies would be cut anytime. | | | | that time. But most people started to be aware of the |
| With the increase of population, it can be foreseen that | | | | importance of solar energy when they discovered the |
| the energy that we are using now will disappear one | | | | serious problems of the shortage of current sources |
| day. People realize that if they keep relying on that kind | | | | of energy. The threats alter people to think about the |
| of energy, they will face a disaster. They will not have | | | | potential of employing solar energy. |
| any energy to power their homes, cars, offices and | | | | People are now more interested in the solar |
| everything. | | | | technology. The number of solar panels built for homes |
| To avoid those problems, people are looking for an | | | | is increasing very fast. It is mainly because the process |
| alternative energy that is more stable and | | | | of having solar power for homes becomes easy. |
| cost-effective. More importantly, they want to find an | | | | There are lots of information and solar power |
| energy which causes less pollution to our environment. | | | | programs found on the Internet. They are low-cost but |
| Solar energy becomes the first choice of scientists | | | | their instructions are clear and easy-to-follow. Basically |
| and citizens. One of the reasons is that, compared to | | | | everyone can build a functional solar system for |
| traditional energy like oil and coal, the cost of solar | | | | houses by following the step-by-step guide. Some |
| energy is much lower. Also, because of more tax | | | | programs even offer videos to help you learn the |
| incentive programs carried out by the government, | | | | process much easier. It is no doubt that the most |
| more people are trying to install solar power system | | | | poplar source of energy must be solar power in future. |
| for homes. | | | | |