An ugly summer storm blew through our area yesterday, and a glance outside the window at our backyardÂ revealed a stark contrast between the green grass and the near-black of the clouds in the sky. As a further example of how life imitates Brain Games (or vice versa):
By changing only one letter at a time, and leaving all others in their existing order, createÂ a word ladder that changes the word "GREEN" into the word "BLACK."
We did it in seven steps, and HERE isÂ our answer. If you find another answer (shorter or not), please post it in the comments.
ONE ANSWER (there may be others):