It has become necessary for all scientists commenting on the exponentially increasing GHG climate disaster to explain the nature of this phenomenon. They need to climb down from their lofty theoretical world and go back to basics. To science and math that they learned in grade school. Here's a news flash: Politicians and the general public and even some of your colleagues do not understand the basic concept of positive feedback and exponential change. Do not take this understanding for granted. People like Obama and his top advisors who are well educated enough to have heard of this concept still don't apply it to climate change.   more »