After more than a decade of nurturing, it had come time to infect this 28-acre grove of American elms with a disease that would almost certainly kill them. Dressed in hunter-green muck boots, grey pants, and a brown Nature Conservancy T-shirt, Gus Goodwin knelt down to give the first tree its sh...
Source: [Grist](https://grist.org/solutions/the-deadly-experiment-that-could-save-the-american-elm/)