Impurities in glass such as iron can give it a green or brown color.

VOA: special.2009.09.16

In some areas,healthy yellow, brown and green reefs have become a bleached white color.

VOA: special.2009.04.22

The men knew it was the middle of the day because the color of the sea changed from slate gray to emerald green, with gold lights.

VOA: special.2011.04.09

Green is also the color used to describe the powerful emotion, jealousy.

VOA: special.2010.05.23

He was almost five meters tall and a dark green color.

VOA: special.2010.07.17

The color green is natural for trees and grass.

VOA: special.2009.11.15

Green is an important color in nature.

VOA: special.2010.05.23