When a drought hit North America in the 1930s, creating a giant dust bowl and crippling agriculture from Saskatchewan to Oklahoma, it entered history as the Dirty Thirties. But University of Regina paleoclimatologist Jeannine-Marie St. Jacques says that decade-long drought is nowhere near as bad as it can get. St. Jacques and her colleagues have been studying tree ring data to uncover the reality of prairie droughts...cont'd
That's a message to think about. But this is also a message to think about:
"They could get worse under global warming, for all we know. And that's just it - we don't know."
If we don't know, why not equally validly state: "it could get less under global warming"
After all, with higher temperatures, more convection should bring more water vapor in the atmosphere, generating precipitation. But apparantly there is still a dogmatic message to convey.