Proof Eyewear Will Be Planting a Tree for Every Pair of Sunglasses Sold on Earth Day

For each eyewear purchase on Earth Day, April 22nd, Proof will be donating to this cause.

http://eon.businesswire.com/news/eon/20130418005359/en/Proof-Eyewear-Planting-Tree-Pair-Sunglasses-Sold