MICHIGAN, USA — Fall colors in the dog days of summer? Most of the tree coverage remains green – as typical in early August – but if you look closely, you’ll notice subtle signs of fall popping up.

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. You might not realize this, but quickly changing colors, as ...

“Right now, we’re seeing a mix of fall coming in and shifting temperatures, which is causing trees to respond. This back-and-forth hot weather is creating some color changes related to drought and ...