Did the Icelandic volcano produce more carbon than the grounded flights would have?
Which would have produced more CO<sub>2</sub>: the Icelandic volcano or the planes which would have flown if it hadn't erupted? Find out in this QotW. Plus, we ask if altitude can affect the hours of daylight one experiences.
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What has a bigger greenhouse effect, the emissions from the recent eruption in Iceland, or the planes that were grounded while it was erupting?