As the world warms, trees in such forests will no longer be adapted to their local climates. That’s where assisted migration comes in John H. Tibbetts, Knowable Magazine On a brisk September morning, ...

Question: What’s the difference between a popple tree and an aspen? I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, ...

The eastern spruce budworm is a native insect that munches on balsam fir, leaving some 1,100 square miles of trees defoliated or dead last year, the most in the region since 1961. A spruce budworm and ...

As the Twin Cities fight against the infestation of an invasive beetle by removing Ash trees, new varieties of trees are being planted in their place. Since planting began on April 8, Minneapolis has ...

Many Northwoods tree species, including red pine, are likely to lose more and more of their livable southern range as warming continues. When Northwoods trees fade from the scene in the southern range ...