Hooray for GIS! It's truly amazing that in this day and age, this quality of data, and the computing power to crunch it, is available to the average user sittin

Hooray for GIS! It's truly amazing that in this day and age, this quality of data, and the computing power to crunch it, is available to the average user sitting on their couch with a laptop. Some things I'd like to see: 1. I've generally seen heat islands referring to not so much getting hotter on a hot day, but staying warmer on a cold day, or at night -- this is one reason why cities get rain when the suburbs get snow, especially in the mid-Atlantic. Would like to test whether trees impact that. 2. I'm concerned from a statistical perspective that trees vs. no trees could be strongly correlated with other variables that might be more causative, like building type and density. Would like to see a paired comparison of areas in the city that are otherwise very similar, with the only difference being more vs. less trees. Not complaining at all; the author is laying out the tools. Time for me or someone else to pick them up and investigate further ...