Someone who has the ability to grow plants well is said to have a green thumb.

VOA: special.2010.05.23

It's green roofs' ability to retain high levels of precipitation that are seen as way to control and slow the water run-off.

CNN: Green roofs cool cities, combat climate change, say Germans

Like most corporate clients, people with the ability to green- or red-light litigation, move on to greener pastures.

FORBES: Women Lawyers: Impressive Successes and Babies at 50

In the ancient oceans, green rust's ability to pull nickel out of the water would have been critical for some life forms, since nickel is an important nutrient for microbes that produce methane.

MSN: What green rust did long ago to the big blue ocean