Today’s bonus tracks

Happy Earth Day SmartBrief on Social Media readers. Check out today’s bonus tracks and don’t skip the first link about the social media guide to going green. Mashable helps you find the best social media tools to help reduce impact on the planet.

• Going green with social media

• Social Media Explorer’s 10 Commandments of content marketing

• Alaska Airlines soars with Twitter

• IraqTech group learns about new social media landscape

Photo credit, Dukal