Tag: 000 petagrams

“#Carbon emission from permafrost soils underestimated by 14%” Credit: Pixabay/CC0 Public Domain Picture 500 million cars stacked in rows. That’s how much carbon—about 1,000 petagrams, or one billion metric tons—is locked away in Arctic permafrost. Currently, scientists estimate that 5-15% of the carbon stored in surface permafrost soils could be emitted as the greenhouse gas…