最近、南極の海の底からメタンというガスがたくさん出ていることが科学者によって分かりました。
Recently, scientists have discovered that a large amount of methane gas is being released from the seabed in Antarctica.
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Methane is a gas that strongly promotes global warming.
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So far, only one place where methane gas is leaking has been discovered in Antarctica.
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However, in this survey, more than 40 new locations where methane gas is present were discovered.
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Scientists conducted research in the Ross Sea region of Antarctica using ships, robots, and divers.
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Methane is released as bubbles from cracks on the ocean floor.
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These bubbles sometimes rise to the surface of the sea.
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Currently, the amount of methane released into the atmosphere and how marine organisms utilize methane are still not clearly understood.
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When methane is released into the atmosphere, it causes global warming more strongly than CO2.
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Scientists are concerned that if a large amount of methane is released in Antarctica, future climate change could progress more rapidly.
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The reason for the increase in methane levels in Antarctica is still unclear, but it may be related to rising temperatures and melting ice.
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Scientists plan to continue their research in the future.
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