Renewable energy has many applications. Wind energy is a clean energy source, which means that it doesn't pollute the air like other forms of energy. Primary energy sources take many forms, including nuclear energy, fossil energy -- like oil, coal and natural gas -- and renewable sources like wind, solar. In future, nuclear power will make use of fast neutron reactors by not only utilizing about 60 times the amount of energy from uranium but also unlocking the. Get all the key facts about renewable energy in our guide to alternative energy In the future, it's expected that the number of renewable energy sources. 39% of U.S. energy from all sources is used to generate electricity. on to generate our electric power supply and how might they change in the future? But not all sources of energy marketed as “renewable” are beneficial to the can accelerate the transition toward a clean energy future. Distributed hybrid system and prospect of the future Energy Internet Conventional energy sources can cause several different types of pollution. These are all reasons that indicate that coal might still be valuable and a key player in the future. However, because of escalating regulations and. The future of all industries and life on Earth depends on the future of the energy industry. In this regard, choosing the best energy source and optimally. This means that not all sources used by the renewable energy industry are green. Green energy has the capacity to replace fossil fuels in the future.