
Jay Hepler
Urban Natural Resource Specialist at The Davey Tree Expert Company; i-Tree research and ecosystem services expert
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Jun 25, 2026
How Tree Shade Data is Collected & Why it's Important
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Jay HepplerGUEST
Yeah, we have quite a few different partners that use the i-Tree Cool Air Model.

Jay HepplerGUEST
We've been working especially with state agencies, so the New York State Department of Environmental Conservation is a part of a 49-step extreme heat action plan looking at everything from expanding cooled corridors to expanding the funding for, uh, community sites and cooling centers to looking at green infrastructure and how we can model that to look at, uh, urban heat reduction.

Jay HepplerGUEST
So another big interest in i-Tree Cool Air is we can model both the heat index and the wet bulb globe temperature at a six-foot height.

Jay HepplerGUEST
So we can start to look at outdoor worker safety, for example, days where we have to take up to 45 minutes of breaks for every hour when it's greater than, like, 85 degrees of a wet bulb globe temperature, and we can start to look at how that might also change in future scenarios.
6 MINS LATER

Jay HepplerGUEST
You know, I was drawn early on in college to maps and to how we can take science and actually make it into usable public policy for individuals.

Jay HepplerGUEST
Uh, one of my first large projects was doing a big floodplain assessment for the state of Massachusetts, uh, Department of Conservation and Recreation, and l- mapping out those FEMA floodplains to the environmental justice-based communities were, was a great exercise in showing me how much our most vulnerable communities are going to be impacted by climate change so much sooner than even places in our cities where we have more resources.
