Analyze the current major energy sources: coal, oil, hydroelectric, nuclear, solar, the advantages and disadvantages are what

Coal and oil belong to the fossil energy, advantages, high heat, easy to use. Disadvantages, belong to a short period of time non-renewable resources. The environment is more damaged.

Hydro and solar energy: the advantages of non-polluting, recyclable, disadvantages, low conversion efficiency, affected by the climate, solar energy by the sunlight constraints are greater, water by the seasonal impact of the dry season.

Nuclear energy, advantages, nearly unlimited supply of energy materials, less pollution of the environment, not affected by seasonality, disadvantages, investment is very large, the level of science and technology and the use of personnel have very high requirements for the first and second generation of nuclear waste, processing requirements.