Noun
green earth (countable and uncountable, plural green earths)
A variety of glauconite, found in cavities in amygdaloid and other eruptive rock, and used as a green pigment by artists.
How on God’s green earth can you let these two trustees get away with another unethical act and just smooth it over? Source: Internet
In Lady standing at a virginal, the young woman's dress is painted with a mixture of ultramarine and green earth, and ultramarine was also used to add shadows in the flesh tones. Source: Internet
They used green earth colors for backgrounds. Source: Internet
How on God’s green earth do you now reconcile this with the initially predicted 7.2% drop in GDP for 2020. Source: Internet