Nowadays, electricity is a thing without which nobody is able to live. Humanity more and more becomes dependant on different gadgets and, consequently, from the energy. The traditional ways of producing energy (coal, gas, oil) are the main factors of the pollution in the world. Currently, there are numerous alternative sources of energy. Today, more then 75% of the world’s pollution is caused by the power production. Also, the natural resources of the Earth are being gradually exhausted. The less they are left, the more expensive they are. At once humanity will be provided with the alternative energy because this is the environmentally friendly way of producing the electric and other types of the energy absolutely for free! Wind and heat generators, solar batteries, water power, etc. these are absolutely free, pure and what is more important, endless sources of energy. They are available to be used every day in every situation and conditions. Why should we pay always, when we can pay just once and use the ecologically free power every day? You will learn about the most common sources of the alternative energy. Which of them is the best for camping, charging gadgets and even powering a house. Hurry up to learn about such a type of the energy. The Earth’s and your wallet’s destiny depends on how quickly you start to use the alternative energy.