As some of you may already be aware, the loss of arctic sea ice this summer has been extraordinary. According to the NSIDC, the amount of ice that melted this year that had never melted since recording began is about the size of the State of Florida. The NSIDC website is updated a couple of times a week with the latest sea ice extent measurements and I watch the numbers with horror because I am one of those who think we have gone past the tipping point already and news like this just further validates my opinion. Well in todays update there was a very scary section I want to share with you related to the BIG tipping point for climate change: changes to ocean circulation patterns. I was concerned back in May that there was evidence out there indicating that the ocean circulation patterns may have already changed. You can read that diary here in case you missed it: Have the ocean’s circulation patterns ALREADY been altered? Today’s update at NSIDC has confirmed that ocean circulation patterns have changed on both the Atlantic and Pacific sides of the Arctic Ocean. […]