Janet Marinelli

The fate of a tree planted at poet Emily Dickinson’s home raises questions about whether gardeners can — or should — play a role in helping plant species migrate in the face of rising temperatures and swiftly changing botanical zones.

Mexican scientists are striving to plant oyamel fir trees at higher altitudes in an effort to save the species, as well as its fluttering iconic winter visitor — the migrating monarch butterfly — from the devastating effects of climate change.