This video examines the decline of ocean ecosystems, focusing on the role of overfishing. Historical accounts show that once-abundant marine populations have been dramatically reduced over time.

Hawaiians have been harvesting fish sustainably for generations, tending traditional ponds known as loko iʻa. The ...

New Zealand's earlier efforts to safeguard marine or coastal environments, particularly as marine reserves and marine protected areas, typically focused on shallow ecosystems, largely because that is ...

October 11, 2024 — Beyond Ireland’s rolling green hills and storied countryside, the nation’s marine territory spans more than 10 times its landmass. Its rocky, rugged coast borders a frigid, ...

An unhealthy sea butterfly, or pteropod, showing effects of ocean acidification including ragged, dissolving shell ridges on upper surface, a cloudy shell in lower right quadrant, and severe abrasions ...

Marine protected areas can also play a vital role in helping to reach the 30×30 goals, through which nearly 200 governments have committed to protecting 30% of the earth’s land and sea by 2030.

HONOLULU (KHON2) — Hawaiʻi’s sharks are a bit of both legend and mystery. From Kāmohoaliʻi, the Hawaiian god with a shark’s head, to the modern-day research that uncovers their crucial role in ocean ...

Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The ...

Scientists have known for decades that soaring atmospheric carbon dioxide emissions are causing changes in ocean chemistry, threatening marine life and ecosystems. In June 2025, a study found that ...