In celebration of Earth Day, Starbucks is offering two incentives on Friday, according to an e-mail forwarded by Melissa L.

If you take in your own reusable travel mug, the coffee shops will fill it with their premium brewed coffee or tea for free. You can get it hot, if you’re in Erie where it’s still cold, or iced, if you’re somewhere where spring has actually arrived.

If you buy a travel mug, the price will be 20 percent off and you’ll get it filled with coffee or tea for free.

Visit www.starbucks.com to learn more (watch the video) or find a Starbucks (if you don’t live in one of those places with the coffee stores on almost every corner).