After the devastation from last week’s historic tornado outbreak had been reported, everyone in the environmental field was compelled to try to answer the question: So, what did this have to do with climate change? Anyone who was being honest had to answer: Well, we don’t really know. It’s really complicated.

Think Progress ran responses from a number of climate scientists. Dr. Kevin Trenberth of the National Center for Atmospheric Research, provided the meatiest quote:

It is irresponsible not to mention climate change.