Kaya Identity part II – and a ‘diamond law’?

Are some apparent CO2 emission reductions ‘too good to be true’? In this post, I discuss how the Kaya Identity leads to what might be called the ‘diamond law’ of CO2 emissions. This ‘law’ (in fact just chemistry) allows us to check the plausibility of apparently dramatic CO2 reductions. Continue reading


A Graphical Look at the Kaya Identity

I decided to write this after reading two posts by Willis Eschenbach and numerous comments on Watts Up With That (update: see also a reply from Roger Pielke Jr). My post uses graphs to show how the Kaya identity can help to identify the factors underlying a country’s CO2 emissions. Continue reading