Climate

From paper parks to lasting protection, here’s what works in marine conservation

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Briefings

Recent international agreements in the Pacific and Eastern Tropical Pacific have established vast transboundary marine corridors, yet field reports indicate widespread 'paper parks' where industrial vessels and abandoned gear enter protected waters. While pledges aim for 30% ocean protection by 2030, enforcement gaps remain significant. The evidence suggests a disconnect between political commitments and on-water outcomes, with no confirmed data on actual species recovery or ecosystem health within these corridors.

Key points

• The Eastern Tropical Pacific Marine Corridor (CMAR) and French Polynesia's marine protection zones cover over 500,000 square kilometers (193,000 square miles) for migratory species passage.
• Despite these agreements, field reports indicate industrial fishing vessels and abandoned gear frequently enter protected areas, creating 'paper parks' that undermine conservation goals.

Context and limitations

Evidence relies on a mix of peer-reviewed datasets and field reporting, which limits the ability to verify actual ecological outcomes. Specific metrics on species recovery, ecosystem health, or enforcement effectiveness within these corridors are not provided.

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