Summary: Here’s a briefing about climate change, prepared for Politifact at their request. Unused, of course, since the reporter was just fishing for smears (here’s an analysis of what they published). However, it’s a useful introduction to this complex subject. What do we know about the consensus of climate scientists, and why does it matter? …
What’s the consensus of climate scientists? Why do we care? Read More »
Summary: This vignette illustrates important aspects of the climate change debate, and why it has failed to gain sufficient support from Americans to pass large-scale public policy measures. For two decades journalists and scientists have cooperated to produce political propaganda, exaggerating and misrepresenting the work of the IPCC. Their failure should inspire us, showing a …
Politifact tells us about American politics and science. We should listen. Read More »
Summary: In February 2014 I examined surveys of climate scientists and found (as had others) that they showed broad agreement with the IPCC’s headline statement about warming since 1950. However time brings new research, such as a major survey that digs deeper and finds that only a minority of climate scientists agree with the full …
The 97% consensus of climate scientists is only 47% Read More »
Summary: Senator Kerry kicked off the Obama administration’s campaign for policy action to fight climate change. He referred to the oft-cited 97% consensus of scientists. Since it is the basis for large and expensive policy proposals, we should know exactly what is the consensus. Here we look at the studies producing that widely cited number. …
Climate scientists speak to us. What is their consensus opinion? Read More »
Summary:  Here’s another in a series of articles showing that there is a debate among scientists about an climate issue the news media show as settled science. Eventually more data and better models will resolve these issues, producing a strong foundation for public policy action. Much of our news lately consists of propaganda barrages by left …
