Abstract
Since the 21st century, climate change is a global issue that affects every corner of the world and extreme weather occurs frequently. The Paris Agreement proposes that countries should strengthen their response to the threat of climate change. Countries around the world are actively seeking energy transition. Photovoltaic power generation and wind power generation are the most important renewable energy generation methods in the world. These two technologies are pollution-free and zero carbon emission during the power generation process. But from the perspective of the full life cycle, there is still some controversy over the environmental benefits of both at present. This article normalizes and analyzes the input-output data of the cradle to grave process using the LCA methodology, and the results indicate that the environmental impact of photovoltaic power generation throughout the full life cycle is significantly greater than that of wind power generation. Based on the above conclusions, several measures are proposed to improve the ecological benefits of both photovoltaic and wind power generation.
Published Version
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