Some outages are hard to predict based only on tree trimming cycle lengths. On March 6, 2017, the earliest confirmed tornados in Minnesota history touched down, causing tree and pole damage on the ...

Scientists have developed a method for the direct observation of fine roots, which control the uptake of nutrients and water by trees. This provides a valuable addition to the existing knowledge of ...

Fallen tree leaves on the forest floor are called leaf litter. Although scientists can examine leaf litter on the surface of soil by collecting it using litter traps, studying what is happening ...

The hemlock woolly adelgid is killing hemlock trees faster than expected in the southern Appalachians and rapidly altering the carbon cycle of these forests according to a new study in the journal ...

Q:I read with interest your article on the Hachiya Persimmon tree ("Persimmon tree needs time to mature," Oct. 17; www.sfgate.com/ZKRX). I also had a problem this ...