"Coleridge's poem The Rime of the Ancient Mariner mentions 'ice, mast high, came floating by, as green as emerald ... thought green icebergs were just an exotic curiosity, but now we think ...

The emerald ash borer, first found in St. Paul ... scientists guess that it was probably here for 10 years before that. Green ash, black ash, white ash, blue ash — the beetle is an equal opportu ...