There is a debate, it's just not on the questions you're looking at.
Climate Change is by no means a 'settled' science, one of the most important questions scientists must answer is what the Climate Sensitivity is to CO2. There's a wide range of answers to this question by scientists, depending on which climate model you use, as well as many other factors.
Climate Change is by no means a 'settled' science, one of the most important questions scientists must answer is what the Climate Sensitivity is to CO2. There's a wide range of answers to this question by scientists, depending on which climate model you use, as well as many other factors.
http://imgur.com/a/vbOM0