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The report examines the mechanisms used to ensure mining companies provide sufficient funds for environmental rehabilitation if they fail to meet closure obligations. It details various financial instruments, cost estimation methodologies, and policy requirements from leading jurisdictions including Australia, Canada, Germany, South Africa, and the United States.

The report finds that while post-issuance UoP reporting is widespread, impact reporting is less common and highly unstandardised. It highlights a positive correlation between reporting availability and the presence of external reviews, particularly post-issuance reviews. The analysis reveals that larger issuers and more mature markets generally report more frequently, though average quality scores remain relatively constant across deal sizes. The document argues for a shift toward a common global reporting framework and the use of absolute rather than relative metrics to provide a holistic view of environmental performance.

The report finds that while 74% of analyzed green bonds provide some public reporting, there is significant inconsistency in quality and content. Reporting is generally more comprehensive for larger issuers and those in European markets, whereas U.S. municipalities and private placements show lower compliance. While impact reporting is increasing, it lacks standardized metrics, and over 70% of bonds fail to clearly disclose the proportion of funds used for refinancing versus new projects.