In honor of Earth Day, Twin Cities eco-retailer Moss Envy is offering 20 percent off storewide Friday and Saturday. Use coupon code EARTHDAY2011 for online orders.

Some other local retailers and resources worthy of Earth Day shopping:

CounterCouture – Fresh off an impressive MNfashion Week runway show, this brand sells “upcycled” fashion – dresses reinvented entirely from bits and pieces of old garments

Olive & Myrtle – Sustainable (and attainable) home accessories from a St. Paul-based e-tailer

Oscar & Belle – Organic luxury infant and toddler apparel from a Minneapolis-based company

Butters & Beans – Organic baby basics, blankets and more from a Woodbury-based company

Sail La Vie – Bags and vests made of recycled sails on the shores of White Bear Lake

Nature of Beauty – Mendota Heights is home to the Twin Cities’ most comprehensive organic beauty store and eco-spa

Natural Built Home – A smart Minneapolis resource for sustainable building materials

The Purple Tree – A Hudson, Wis. shop selling environmentally friendly gifts and practical goods like canvas totes