Methane chasers: Hunting a climate-changing gas seeping from Earth’s seafloor

They’ve been called “bubble chasers,” and “seep seekers,” though they sometimes call themselves “flare hunters.” They’re a small group of scientific specialists searching the world’s oceans for tiny streams of methane gas-filled globules rising from seafloor sediments. On expeditions ranging from the Arctic to Antarctica, carried out in shallow waters to thousands of meters below [……
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