Cannes: Gown Today, Gone Tomorrow

Cate Blanchett tried making sustainability chic. The red carpet said no

FROCK WALK From bottom: Viola Davis, Aishwarya Rai, Elle Fanning, Eva Longoria and Australian actress Katherine Langford arrive for Top Gun: Maverick at Cannes on May 18. (ANTONIN THUILLIER/AFP via Getty Images)

I was recently a guest at the Goodwill of Greater NY and Northern NJ annual benefit. Besides raising $200,000 to provide employment and services…