In conjunction with their third-annual Green Issue, Elle magazine has partnered with global warming activist Laurie David to launch a series of 14 limited-edition Sigg bottles. Each one-of-a-kind bottle has been fashioned by some of the world’s most creative designers, and feature the designer’s characteristic styles that we love – Anna Sui’s signature Dolly Girl and Kenneth Cole’s freehand text designs, as well as others from Zac Posen, Savannah and Sienna Miller’s line Twenty 8 Twelve, and Diane von Furstenberg, , just to name a few.

You can view all 14 designs now at elle.com, but you’d better keep an eye on your favorites! The bottles will be auctioned off, with proceeds benefiting StopGlobalWarming.org, starting April 14 at 7:00 p.m., so you’ll have a chance to get your fashionable little hands on one of these designer bottles yourself!

Kelli Shields is the Major Gifts Associate at the Center for Biological Diversity.