It should be noted that any event which could cause these sorts of changes in only a few years would be so energetic it would cause the extinction of all land-based multicellular life as well.
It should be noted that any event which could cause these sorts of changes in only a few years would be so energetic it would cause the extinction of all land-based multicellular life as well.
Partypooper! Now I'm bummed out. ;-)