What did temperatures do as the last glacial minimum ended 120K years ago?

A commenter on the most recent edition of het's AWOGWN asks an interesting set of questions: How would temperature data have been seen during the last 10,000 years prior to the peak of each of the previous Milankovich cycles? What caused the temperature to reverse course in those cycles and why would we not expect … Continue reading What did temperatures do as the last glacial minimum ended 120K years ago?

Inside an Antarctic Time Machine

Most of us interested in climate science understand the uniqueness and importance of deep ice cores. It is truly a remarkable record of many aspects of past climate including dust, methane, sea level proxies and carbon dioxide. The video below (a YouTubed TED Talk)is a very fascinating look at what it takes to retrieve one. … Continue reading Inside an Antarctic Time Machine

Historically CO2 Never Causes Temperature Change

This is just one of dozens of responses to common climate change denial arguments, which can all be found at How to Talk to a Climate Sceptic. Objection:In the geological record it is clear that CO2 does not trigger climate changes. Why should it be any different now?Answer: Given the fact that the human species … Continue reading Historically CO2 Never Causes Temperature Change