Marcello Mazzucchi, a retired forest ranger, stands in the Fiemme Valley in the Italian Alps. Renaissance luthiers such as Antonio Stradivari came here to handpick trees that would be crafted into the world's finest instruments. Graziano Panfili for NPR hide caption

itoggle caption Graziano Panfili for NPR

Maria Benech of the U.S. Forest Service surveys a severely burned patch of forest. Almost 40 percent of the burned area looks similar. Lauren Sommer/KQED hide caption

itoggle caption Lauren Sommer/KQED

Visitors have flocked to the Angel Oak tree just outside Charleston, S.C., for generations. A local group has until late November to raise funds to buy a parcel of land that they say is needed to protect the live oak from development. Randall Hill/Reuters/Landov hide caption

itoggle caption Randall Hill/Reuters/Landov

Guerrilla grafter Tara Hui grafts a fruiting pear branch onto an ornamental fruit tree in the San Francisco Bay Area. She doesn't want the location known because the grafting is illegal. Lonny Shavelson for NPR hide caption

itoggle caption Lonny Shavelson for NPR

Damage done to these Norway spruce trees has been blamed on contact with Imprelis. DuPont is pulling the herbicide. Penn State Extension hide caption

itoggle caption Penn State Extension