✉news EnvironmentOceans first seen 3 d ago, last 2 d ago, peak #3
Coastal ocean oxygen loss up 15% since 1960
Original: Ocean deoxygenation has increased by 15% in coastal regions since 1960, driven by warmer waters and runoff—here is how it directly threatens global marine ecosystems and food security.
Oxygen levels in coastal waters have dropped sharply, with deoxygenation rising around 15% since 1960, according to reporting on new ocean research. Scientists link the decline to warming seas, which hold less oxygen, and to nutrient runoff from agriculture and cities that fuels oxygen-consuming algal blooms. Low-oxygen zones squeeze fish and shellfish populations, threatening marine biodiversity and the food supplies and livelihoods of the billions of people who depend on coastal fisheries.
Why now: New reporting on accelerating ocean oxygen loss is drawing attention to its risks for marine life and global food security.
oceancoastal marine ecosystemsglobal fisheriesfood security
Rank over time, top of the chart is #1. 14 snapshots from 3 d ago to 2 d ago.
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