| Fossil fuels including oil, petroleum products, coal, and | | | | This natural energy source has been providing |
| the like are traditional forms of energy in the United | | | | warmth for humans throughout the ages. The |
| State and many other parts of the world. But these | | | | problem has always been in developing ways to |
| energy sources are limited and nowadays, they tend | | | | collect and harness this energy so that it can be used |
| to run out and we can not reproduce them. | | | | efficiently long after the sun has gone down. Solar |
| Moreover, the consumption of these energy sources | | | | panels are used to collect sunlight and turn it into |
| such as coal and petroleum has taken a great part in | | | | usable electricity. Unfortunately, typical solar panels |
| polluting the environment of our planet. This leads to | | | | today are only able to convert a little over 15% of |
| many consequences like global warming, rising | | | | the sunlight energy into electrical power. Good |
| incidence of asthma, and rising serious diseases. As a | | | | progress continues to be made, though, making this |
| result, alternative energy sources are adopted as a | | | | one of the most promising forms of alternative |
| solution for this problem. There are many alternatives | | | | energy available today. |
| to fossil fuels, but here are four best alternative | | | | 4. Wind Power |
| energy sources which are always evaluated practical | | | | Wind power is an alternative energy source which is |
| and valuable. | | | | not expensive, easy to operate and friendly with the |
| 1. Nuclear Power | | | | environment. Wind power is generate by wind |
| This power is the potential alternative energy source | | | | turbines or windmills. You can completely make wind |
| to fossil fuel because it generates huge amount of | | | | power if you set up windmills at the location with |
| electricity. Over 14 percent of the global electricity in | | | | intense wind. Windmills are easy to set and the force |
| 2007 came from nuclear power plants. However, this | | | | of wind makes them to move, and then electricity is |
| kind of energy has certain inherent factors and risks | | | | generated. However, wind is never punctual, so it |
| that can not be ignored, up to now it is still a | | | | seems to be unreliable option. |
| debatable option. This is because of past issues | | | | 5. Tidal Energy for Coastal Areas |
| associated with nuclear waste and this mode has | | | | The naturally occurring tides in the coastal areas are |
| terrible destruction. The fear of misuse of related | | | | a clean, renewable and cost-effective form of |
| technology and materials is too real in | | | | alternative energy. This mode employs the rise and |
| terrorism-racked world today to be ignored | | | | ebb of tides that occur owing to interplay between |
| altogether. If we do not use it carefully and under | | | | the gravitational forces of the sun, earth and moon. |
| very strict plan, it can turn our planet into cinders. | | | | Since tides are not dependent on the weather, their |
| 2. Hydroelectric Power | | | | motions can be predicted with a fair degree of |
| Energy derived from water is known as | | | | accuracy. The motion of the tidal waves is employed |
| hydroelectricity. This type of energy is widely used in | | | | to firstly fill reservoirs of water. The water is then |
| many parts of the United States. Electricity is | | | | released through turbines that generate electricity. |
| generated by dams when high water pressure flows | | | | All of us know that nothing is forever and fossil fuels |
| through turbines and causes them to spin. | | | | are the same. We can not depend on this kind of |
| Hydroelectricity is among the oldest and most widely | | | | energy too much and too long although is very |
| used forms of alternative energy sources. We can | | | | important because it can be limited and even run out. |
| continue increase hydroelectric power for a long time | | | | Alternative energy sources are necessary to develop |
| because only a small portion of the dams are built for | | | | so that our country can have more approach for |
| power generation. Moreover, this mode can provide | | | | power production. These five alternative energy |
| 20% of power for human beings all over the world. | | | | sources are just a few of many alternatives to fossil |
| 3. Solar Power | | | | fuels. |