All across the world, people are facing a wealth of new and challenging environmental problems every day. Climate change is one of such kind of crucial problem, the importance of taking urgent measures to solve it can not be emphasized too much. There are those who believe that an absolute ban for fossil fuels and using alternative sources of energy could be a solution to the climate problem. However, this point of view is refuted by those, who argue that fossil fuel is significant for industries, and dispensing with them will cause a negative impact on the economy. I fully agree with the latter opinion. Firstly, this essay will discuss the possibility of using clean energy sources, and secondly, we will analyze the still crucial role of fossil fuel for the economy.