Hilsa returns to upper Ganga after decades, marks major conservation milestone

AI justification

[Analyst A judged it not actionable; Analyst B's verdict applied] Successful ecological restoration of a critical migratory species and river ecosystem. | The return of Hilsa to the upper Ganga is a clear conservation victory, directly supporting biodiversity (SDG 14, 15) and planetary boundaries (biodiversity, freshwater systems). It demonstrates the effectiveness of targeted conservation policies and community engagement, with no identified ethical downsides in this action.