Summertime is music time! From Coachella to Bonnaroo, when the weather heats up, the world’s bands head outside to the hundreds of outdoor summer rock, indie, hip hop, bluegrass, and folk festivals going on around the country. If you are a music fan, chances are, you’ve already got tix to one of these soirees. But for those who like a side of social change with their tunes, check out these mission-driven festivals below.

Oregon Country Fair, Eugene, Oregon, July 11-13
Get your inner hippie on at this folk, jam band, and world music-heavy festival. In between acts and noshing on lots of tasty vegan food, check out the Community Village with booths promoting everything from domestic violence awareness to composting.

SummerStage: New Songs of Justice, New York City, July 21
Honoring the legacy of Pete Seeger, this one-day event features activist-musicians from Amanda Palmer to Sarah Lee Guthrie, The Chapin Sisters, and Johnny Irion. The event is a tribute to one of music’s most inspiring activist legacies.

Lollapalooza, Chicago, Aug 1-3
This longstanding, annual rock and hip hop festival features some of today’s best-loved bands from Lorde and Outkast to The Avett Brothers and Childish Gambino. But since it was founded in 1991, Lollapalooza has also featured Lolla Cares, an initiative that brings organizations with a social mission (from voter registration orgs to bone marrow match programs) to the festivals 100,000 fans.

Wills Mountain Festival, Bedford County, Pennsylvania, Aug 8-10
For three days, this rock and roots music celebration brings together regional and national reggae, zydeco, folks, jam, blues, jazz, and R&B acts for a serious celebration. It also offers activities for kids and adults alike, including environmental awareness programs and workshops.

Rocky Mountain Folks Festival, Lyons, Colorado Aug 15-17
Folk and singer-songwriter fans flock to this festival, which this year features Ani DiFranco, Brandi Carlile, and Josh Ritter, among others. Folks Fest also has a strong environmental mission and features a space for non-profit vendors to share their work with attendees.

Do you know of a rockin’ summer music festival with a social mission? Let us know in the comments below or by tweeting @repairtheworld.