The problem is that calculations of ECS and TCS start by accepting the IPCC assumption that there are no other natural contributions to climate change than those already identified, i.e., natural forcing has contributed net zero to climate change since 1850. As Roy Spencer showed, if natural...
So, 11 months after the Grijalva inquisition, where do I stand on the subject of scientists’ emails? I have a longstanding public commitment to transparency in climate science, since my first Climategate essay [link]. Since Climategate, the situation has vastly improved – data are publicly a...
Indicators relevant to key US systems and sectors, such as indicators for the atmosphere including greenhouse gases, are required by the 1990 Global Change Research Act and are of broad concern to the US public (see Kenney et al. 2018, this issue). A proof-of-concept indicator system was ...
I also suggested a FAQ on their “end of skepticism” claim, see their responsehere: “Our study addressed only one area of the concerns: was the temperature rise on land improperly affected by the four key biases (station quality, homogenization, urban heat island, and station selection)? T...