NINA PROMMER

Amy Poehler is a celebrity who has embraced green.

Charles Sykes

Lauren Conrad attended the Tracy Reese Spring 2013 show in green.

Understated ways of going green: Derek Lam for DesigNation at Kohl’s, $64, available in April.

Silk keyhole dress by Parker, $238, at Crush Boutique.

Zip clutch by Urban Expressions, $46, at Crush Boutique.