We all seem to be "going green", but "it's not easy being green".
"Life expectancy would grow by leaps and bounds if green vegetables smelled as good as bacon."
You could have a "green thumb", be a "greenhorn", or need a "greenback".
He told me his last name was Green. "Green?" I asked. Can you spell that for me, "I'm colorblind".
If you want other cachers to be "green with envy", come up with a green quote to add to your log.