So: fossil fuels are plentiful, but harmful; renewable sources like wind are good for the climate but not plentiful. Solar power is plentiful but not cheap.
因此：化石燃料储量充足，但却危害气候；风能等可再生能源对气候无害，但却不足。太阳能发电取之不尽但却成本高昂。核电同样充足但却不安全。