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Ocean science news, explainers, and statistics covering marine environments, currents, climate, coasts, seafloor research, and the changing global ocean.

Aerial view of floating solar panels in Pasir Mas, Kelantan, illustrating renewable energy technology.

Chile’s first floating solar salmon pen is projected to supply 57% of a remote fish farm’s energy while cutting diesel use

Mowi Chile has launched the country’s first floating solar pen at its Huar Norte salmon farm. The marine energy system combines photovoltaic panels with batteries and power controls. According to project partner AKVA group, renewable energy is expected to supply about 57% of the site’s electricity needs. The installation is designed to reduce the farm’s…

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Close-up of stratified rock formation showcasing natural textures and layers

Ancient life left wrinkles in deep ocean rocks where sunlight could not reach

Researchers at UT Austin have reported fossilized microbial wrinkle structures in 180-million-year-old deep-water rocks from Morocco, pointing to ancient life that may have flourished in darkness. The finding, described in a study in Geology, suggests that some microbial communities left traces in places where scientists have rarely expected them to survive or fossilize. The discovery…

Scientists in lab coats work with test tubes in a modern laboratory

Seawater carbon removal can backfire when alkalinity is pushed too far

A study in Frontiers tested three levels of added alkalinity in seawater and found a sharp chemical boundary for a proposed ocean-based carbon removal method. Researchers led by Georgia Southern University reported that high doses can cause calcium carbonate to form solid particles within a day, reducing the benefit the process is meant to deliver.…

Researchers collect road dust samples from a section of road paved with recycled plastic-reinforced asphalt. Pictured left to right: Rachel Nakamoto, Simon Williams, Cara Megill and Cate Wardinski

Hawaii’s ocean plastic may soon pave stronger roads

Researchers at the Center for Marine Debris Research at HawaiĘ»i Pacific University have presented early results showing that discarded fishing nets and household plastic waste can be blended into asphalt roads in Hawaii. The work, described in an ACS announcement, suggests that recycled plastic pavement can perform as a practical destination for waste already accumulating…