Code and processed data for "From pollution haven to decarbonisation supplier: China's export reversal"

Analysis code, processed data and figures accompanying the manuscript "From pollution haven to decarbonisation supplier: China's export reversal". Pipeline: GLORIA v060 MR-SUT embodied-emission accounting (1990-2024), MEIC v2 pollutant coupling, structural decomposition, avoided-emissions accounting for photovoltaic, battery and electric-vehicle exports, change-point analysis, full 164-region aggregation and upstream-decomposition audits (CO2 and EDGAR v8.1 air pollutants), complete constant-price decomposition, Monte Carlo uncertainty propagation, and deployment validation against Ember capacity data. See README.md for system requirements, demo entry points and full reproduction notes. Preprint: https://doi.org/10.22541/essoar.15008255/v1