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⁞ PLANETARY BOUNDARY ⁞
ↆ Earth-system Process ↆ
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Target set by the Montreal Protocol with respect to the substances shown to be harmful by contributing to depletion of the
ozone layer. Richardson et al.2023
Renewed and increased risk of depletion due to multiple breached interconnecting planetary boundaries. 
⁞⁞ Earth-system process ⁞⁞ Regenerative strategies ⁞⁞
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