Oh, but multimillionaire Babs Streisand did!
Yes, you are right, she did MENTION IT. But, now the issue of HYPOCRISY arises! Which is the worse sin, 'failing to mention it' (clotheslines) or the 'hypocrisy' of calling for the practice, but not practicing it? (see quote below, from the link)
"Its what the photos of Streisands mansion dont show no windmill-powered generators, no electric cars, no Small is Beautiful lawn ornaments, no hemp curtains in the windows of her eight bedrooms and 11 bathrooms, no Scaasi evening gowns hanging outside to dry on clotheslines that should be strung between her precious parasolsthat expose the truth of her eco-hypocrisy best.