Some Pacific Island nations are facing a decline in tuna harvest — by 20 per cent on average by 2050. Experts are warning that climate-related fish migration could pose a looming threat to food security and economies across the region. SBS News reporter Jennifer Scherer travelled to Solomon Islands, where more than 90 per cent of inshore coastal areas fall under customary marine tenure — casting community-led solutions as vital to the sustainability of local fishing grounds.

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