Are hedges better at fighting urban air pollution than trees?
May 24, 2017, 10 a.m. by Matt Hickman
A new study from the U.K. praises the pollutant-absorbing qualities of the humble hedge.
Western forests might one day look more like Eastern forests, thanks to climate change
May 17, 2017, 10:24 p.m. by Bryan Nelson
Several species of tree common in the Eastern U.S. are steadily moving west.