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Carbon mitigation potential afforded by rooftop photovoltaic in China

Environmental Studies and Forestry

Carbon mitigation potential afforded by rooftop photovoltaic in China

Z. Zhang, M. Chen, et al.

This groundbreaking study by Zhixin Zhang, Min Chen, Teng Zhong, and colleagues reveals the tremendous carbon mitigation potential of rooftop photovoltaics in 354 Chinese cities, highlighting a staggering opportunity to reduce carbon emissions by 4 billion tons. The research delves into geographical factors and the underutilization of these resources, offering valuable insights for future development.

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Playback language: English
Abstract
This study assesses the carbon mitigation potential of rooftop photovoltaics (RPVs) in 354 Chinese cities. Using multi-source geospatial data and machine learning, researchers identified 65,962 km² of rooftop area, representing a potential 4 billion tons of carbon mitigation under ideal conditions. Considering urban expansion and power mix changes, the potential remains significant in 2030, but most cities have exploited less than 1% of their potential. The study analyzes geographical factors influencing RPV potential and offers insights for targeted development in China and other countries.
Publisher
Nature Communications
Published On
Apr 24, 2023
Authors
Zhixin Zhang, Min Chen, Teng Zhong, Rui Zhu, Zhen Qian, Fan Zhang, Yue Yang, Kai Zhang, Paolo Santi, Kaicun Wang, Yingxia Pu, Lixin Tian, Guonian Lü, Jinyue Yan
Tags
rooftop photovoltaics
carbon mitigation
Chinese cities
urban expansion
geospatial data
machine learning
sustainability

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