Los Angeles’s palm trees are dying of fungus and under the threat of invasive insects. The city won’t replace the palms that die, altering their prominence in the city and likely their use as ...

Are Bradford pear trees harmful? Yes. The trees choke out other plants, particularly in fallow fields, or empty tracts of land seen as future forests. They can grow to 30 feet tall and the "dead ...

Bradford pear trees are banned in a few states. More are looking to replace, eradicate them. Bradford pear trees, which can help spread wild, thorny Callery pear trees, are becoming a target of ...

And the trees have a weak structure, making the branches and limbs easy to snap in strong winds or under the weight of ice. How to remove Bradford pear trees.

To begin to figure out if a particular fungus really connects any two forest trees, scientists can sequence the fungus’s genes and construct a map of where genetically identical fungi are growing.

Trees are needed to provide shade and absorb runoff. "So that development going in — if it's lot edge to lot edge — we're going to see an amplification of urban heat," Shandas says.