Hinsdale Forester John Finnell shows the stump of a green ash on Garfield Avenue near 55th Street that was cut down because it was infested with emerald ash borer. | Kimberly Fornek—Sun-Times Media

Hinsdale Forester John Finnell counts the rings in the stump of a green ash on Garfield Avenue that was cut down because it was infested with emerald ash borer. | Kimberly Fornek—Sun-Times Media

"Can you imagine losing all these beautiful trees?" asks Hinsdale Forester John Finnell, as he walks down the 5600 block of Garfield Avenue where ash trees were treated with an anti-ash borer chemical. | Kimberly Fornek—Sun-Times Media

Hinsdale Forester John Finnell looks for the holes that show where Tree-Age, a chemical to ward off the ash borer, was injected into the trunk of this tree and 26 other ash along Garfield Avenue. | Kimberly Fornek—Sun-Times Media

Hinsdale Forester John Finnell shows where an anti-ash borer chemical was injected in holes drilled around the circumference of this ash tree on Garfield Avenue. | Kimberly Fornek—Sun-Times Media

The ridges and splits in the bark of an ash tree make it difficult to see where a hole was drilled and a chemical was injected to protect the tree from the emerald ash borer. | Kimberly Fornek—Sun-Times Media

Hinsdale Forester John Finnell looks at the canopy of an ash tree on Garfield Avenue. Contractors said the effectiveness of the insecticides they used to protect the trees was not affected by the weather. | Kimberly Fornek—Sun-Times Media

Hinsdale Forester John Finnell shows the hole drilled by a tree service company the village hired to inject the chemical Tree-age in the trunk of some ash trees to guard against the emerald ash borer. | Kimberly Fornek—Sun-Times Media

This is the canopy of an American Elm on the 5600 block of Garfield Street, which Hinsdale had injected with a chemical to prevent Dutch elm disease. | Kimberly Fornek—Sun-Times Media