greenhouse gas greenhouse gasa gas that traps heat in the atmosphere. Related Articles: Hot Topic – Measuring Methane Bubble PlumesUltrasonic AntifoulingHow is sound used to explore for oil and gas?Ocean Sound PoliciesHow is sound used to measure the upper ocean?Autonomous Surface VehiclesTutorial: Study the Sea Floor Holly Morin2018-10-01T11:36:14-05:00