Happy Halloween... why not send some scary greetings! Spread your ghoulishly good spirit and passion for the environment to friends and family with these free Halloween e-cards from the World Wildlife Fund.

Harry Barker, known for it's stylish and eco friendly pet products started its 3rd Annual Facebook Halloween Costume Contest. Photo that receives the most "likes" will win a $250 donation to the pet charity of their choice and a Personalized Harry Barker Gift Bucket! Contest ends November 6th!

Eat too much Halloween candy ... again? That is good news for TerraCycle. Send them all your empty wrappers and they are turned into fun messenger bags. For each shipment of candy wrappers, TerraCycle will contribute 2 cents to a charity of your choice or award you with points that can be redeemed for charitable gifts.