Add Yahoo as a preferred source to see more of our stories on Google. Straightforward details about planting and growing several types of poplar trees.

There's nothing quite as enticing as having a majestic flowering shade tree in your backyard that can keep you cool on a hot ...

Field trials in Oregon and Arizona show that poplar trees, which emit trace amounts of the gas isoprene, can be genetically modified not to harm air quality while leaving their growth potential ...