You need to pledge to do something green, like plant a vegetable garden, start a compost or bring a reusable cup when you buy coffee at Startbucks .. etc.
Once you made your pledge, you will be sent a coupon for a Free tall cup of coffee of Pike Place Roast.
Excellent initiative from Starbucks to encourage people to go green.
For more information
Click for Canadian residents.
This offer is for residents of Canada.