GCAD-Global v1.2 and Nature flagship analysis package: inverting the institutional filter of the global industrial chemical accident record (1970-2025)

Version v1.4: Nature flagship submission package (editorial pre-review revision). Harmonised multi-source corpus of 525,632 source records (about 305,000 chemical-relevant) from ARIA/BARPI (France), NRC/USCG (USA), eMARS (EU), with GDELT and MEM-CN exploratory audit layers; severity tiering, cross-source entity resolution and event-level adjudication. v1.4 applies a full editorial pre-review: main text compressed to 3,000 words or fewer, Figure 2 panel-legend alignment, Extended Data figure/table legends completed, detection-model P-values flagged nominal, the statutory-vs-non-statutory null reported, corpus-size disclosure clarified, figure layout corrections, and a script-138 output-naming fix. Includes 68 analysis tables (T1-T36 series), the full Nature submission package (manuscript, cover letter, 5 main figures, 10 Extended Data figures, Supplementary Information, Reporting Summary), and the full Python pipeline (81 scripts).