'Fish Thermometer' Reveal Impact of Climate Change

While much of the discussion about climate change focuses on the threat of future sea level rise, scientists at the University of British Columbia say warmer global temperatures have been affecting the world’s oceans and fisheries for some 40 years.

They used known temperature preferences of fish and other marine species as a sort of “thermometer” to gauge the extent of the change, and they saw a gradual migration of fish species away from the equator into cooler, deeper …

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