Sea of methane sealed beneath Arctic permafrost could trigger climate feedback loop if it escapes
When you purchase through links on our site , we may earn an affiliate commission . Here ’s how it works . Deep beneath the permafrost that blanket a chemical group of islands in the Arctic Ocean lurks a grow and migrating sea of methane , researchers have discovered . The thick permafrost , or ground that remain frozen for at least two years , shape a nasty Navy SEAL that has so far prevented millions of cubic foot of methane from waft out — but there ’s no guarantee that the potentgreenhouse gaswon’t eventually escape , grant to a study published Dec....