Jacksonville Mayor Donna Deegan is pushing to get more trees planted in the city, at a faster rate. Particularly in neighborhoods, including the Urban Core.

A new study by Climate Central, which tracks what’s called the Urban Heat Index, has identified several densely populated urban areas around Duval County that are hotter than other spots on Earth.

One of the hottest areas of Jacksonville is in the downtown core. Scientists say it’s hotter there because of building and paving material, lack of greenspace, and population density.

A new study by Climate Central, which tracks what’s called the Urban Heat Index, has identified several densely populated urban areas around Duval County that are hotter than other spots on Earth.