Hi Don,

I didn't say there were no ice ages before 65 million years ago. I don't mind taking flack for what I do say, but I don't like people putting words in my mouth. Of course there were several ice ages over the past few billion years here on earth. There are scientists who can pinpoint an asteroid impact for the beginning of each one. Generally the ice ages last about 200 million years. Generally there are a few hundred million years between ice ages when the earth is loaded with a wide variety and large quantity of different plant and animal life.

I picked out the most recent ice age simply because we are currently in the middle of it.

I'm beginning to get annoyed at the way people on this list miss the topic of the message and bring up defensive topics instead. It's like there's a witch hunt to discredit people rather than a science hunt to expand the base of human knowledge.

Dave