A new study published in the scientific peer-reviewed journal, Climate, by 37 researchers from 18 countries suggests that current estimates of global warming are contaminated by urban warming biases.
![](https://gregormendelblog.com/wp-content/uploads/2023/07/th-332896952-300x169.jpeg)
You mean there might be an “instrumentation” threat to validity? Whoda thunk?
Oh yeah, ME.
ANYONE who took my Research Design and Analysis class would have known that! Paging Cook & Campbell on the white phone…