eco-smart
adj.— «The Carlsbad Chamber of Commerce is getting eco-smart, as they say in environmental circles. The chamber is installing eight specialty skylights in its offices to eliminate the need for day lighting.» —“Kermit, Carlsbad Chamber Now Green” by Tom York San Diego Business Journal (California) June 2, 2008. (source: Double-Tongued Dictionary)
Further reading
If someone’s got melon, it means they’re smart. The expression most likely arose because of the resemblance between a melon and a human head. Several other foods are associated with having brains, including a cabbage, a gourd, and even a...
Books were rare treasures in the Middle Ages, painstakingly copied out by hand. So how to protect them from theft? Scribes sometimes added a curse to the first page of those books that was supposed to keep thieves away — and some were as vicious as...