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Microbes might be gatekeepers of the planet’s greatest greenhouse gas reserves.
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Massive greenhouse gas reserves, frozen deep under the seabed, are alarmingly now starting to thaw. … let’s suppose for a moment that these latest findings are real and that methane frozen below the seabed really is being released. What does this mean?

Methane is not as common as carbon dioxide, but it also contains carbon and is a potent greenhouse gas. Many people have heard of methane being stored in Arctic permafrost, but few realise that there are also massive and much larger deposits of the gas locked beneath the seabed.