4 ms·
The sun is not to blame for almost all of it (just a tiny little bit). This is quite easy to figure out since we have data on the sun and Earth's orbit and the
by kaybe 8y ago
The sun is not to blame for almost all of it (just a tiny little bit). This is quite easy to figure out since we have data on the sun and Earth's orbit and the relationship is simple.
- jackhack 8y agoSo then what caused the prior ice ages and following warming spells, spanning hundreds of millions of years? Or were things different that time around?
- poooogles 8y agoMilankovitch cycles combined with other geological events (think Lake Agassiz flooding into the Ocean) are what domainate natural climate variability.
- kaybe 8y agoWe don't really know yet. It seems to be connected with the sun and CO2 variation, but it is not clear what drives that variation. Today we drive the variation, and into regions that haven't been seen for a looong time, so things are indeed different. It's interesting that the collapse of an ice age seems to happen very fast, within a few hundreds of years, so fast changes are definitely possible. (It's good to research this since an ice age would suck majorly for us too - and we have suppressed the next one by now.)