Potential Environmental Effects of Marine Renewable Energy in Tropical and Subtropical Ecosystems

Summary

This 2024 OES-Environmental report addresses the critical gap in understanding the environmental effects of Marine Renewable Energy (MRE) in tropical and subtropical ecosystems, which often differ significantly from temperate regions. The study, based on a literature review, surveys, workshops, and expert interviews, highlights that countries like China, Australia, and Japan are leading in MRE project numbers in these areas. Key findings include that the US Navy Wave Energy Test Site (WETS) in Hawaii has operated since 2004 with three test berths at 30m, 60m, and 80m depths, and OTEC facilities in Japan observed less than one fish entrainment per year over eight years. The report emphasizes the need for more regional research, long-term baseline data, and strong community involvement to advance MRE responsibly in these biodiversity-rich and climate change-vulnerable regions.

Key Facts

Source Document

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