Using the normal definition of an ice age as an overall cold climatic time interspersed with glaciations and warmer interglacial periods, we are in a warmer period at the moment. The last ice age started about 2.6 million years ago and we are now in a warm interglacial period. Another glacial period is possible, though not a complete certainty in the far distant future.
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It depends, of course, if we are able to stop and reverse global warming.
Yes of course, but unless humans do something extremely drastic, or something like a comet strikes, it won’t be for tens of thousands of years.
Yes, but also think about our green house gases the amounts are raising immensely in the atmosphere. It would cause a warming trend at first “global warming” and slowly fresh water ice in Iceland, Antarctica, and other places will start to melt and release into the ocean. When this happens it throws off the salinity content and the thermohaline conveyor belt which is the major currents of warm to cold water would be thrown off as well. When this happens winds and currents are confused and would end up causing another ice age, for instance 12,000 years ago this happened because of the conveyor belt.
