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To systematically assess the pathways for Hainan Province’s “dual carbon” goals, the iGDP and Hainan University have jointly released a new report titled Medium and Long-Term Outlook for Low-Carbon Transition in Hainan—Using EPS Modeling. Leveraging the Energy Policy Simulator (EPS)—a science-based modeling tool for energy and climate policy analysis—the study develops a customized energy policy simulation model for Hainan. It quantifies the impacts of different policy portfolios on energy consumption, greenhouse gas emissions, investment requirements, and broader socioeconomic outcomes. The model provides a robust, scientific assessment tool to support research and policymaking for Hainan’s long-term low-carbon transition.

Based on policy dynamics tracked through the China Zero-Carbon Action Database, this report systematically documents officially released green and low-carbon initiatives across China's critical sectors—including energy, power, industry, transportation, urban-rural development, and agriculture—from January 2024 to February 2025, while also highlighting progress in carbon market development, non-CO₂ greenhouse gas management, synergistic approaches to pollution reduction and carbon mitigation, and enhancements to support systems and enabling mechanisms.

Due to differences in economic development level, energy supply structure, industrial structure, and resource endowment, there are significant differences in climate actions among China's provincial regions. Tracking these actions is essential to accurately understand the progress towards China's national climate goals. This report presents a series of charts that illustrate subnational carbon emission and mitigation trends, track progress on subnational energy and climate goals between 2015-2020, and assess the implementation capacity of subnational policies to achieve subnational dual carbon goals.

This report provides an overview of subnational climate actions in China's provincial regions. It aims to understand carbon emission trends and mitigation progress in each provincial region, track how each provincial region is implementing the nation's dual-carbon goals, assess regional implementation capacity by measuring how subnational energy and climate goals were implemented between 2015-2020, determine whether the policies currently in place will be sufficient to achieve subnational dual-carbon goals, and identify gaps and opportunities to enhance subnational climate actions.