WASHINGTON — A common and much-criticized pesticide dramatically weakens already vulnerable honeybee hives, according to a new massive field study in three European countries.
New research has added to the growing list of challenges facing the nation’s pollinators. A study, published last week in Proceedings of the National Academy of Sciences, suggests that agricultural changes in the Northern Great Plains — particularly the expansion…
On a short walk in Grand Teton National Park recently, I happened upon a large patch of musk thistle. This large noxious weed from Eurasia has threatened range, farm and forest land for decades.