
Mariana Bueno
Mariana Bueno is an environmental sciences student working with ROC Sail, where she accompanies whale-watching outings to provide information and ensure sustainable practices. Her role involves collecting valuable data on whale behavior and contributing to research that supports the conservation of these magnificent creatures.
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Mariana Bueno is an environmental sciences student employed by ROC Sail to accompany each whale-watching outing.
Humpbacks return to Rio: the whales are back from the brink of extinction – but will tourism help or hinder? | WhalesThe Guardian·
United Kingdom· 2026-08-12



