Reverb (non-profit)

It was founded by American environmentalist Lauren Sullivan and her musician husband, Guster guitarist/vocalist Adam Gardner.

[1] The organization's services include carbon neutral concerts and venues, biodiesel for vehicles and generators, waste reduction, biodegradable catering products; recycling, green bus supplies and cleaners, energy efficiency, green contract rider, environmentally sustainable merchandise, green sponsorship, and educational outreach.

[2] Reverb provides learning experiences designed to engage volunteers with local nonprofit groups.

Customers can also donate money for environmental causes and receive a sticker.

[1] The group has worked with artists including Drake, Jason Mraz,[1] The Dead, Phish, Dave Matthews Band, John Mayer,[2][3] Harry Styles,[4] Guster, Barenaked Ladies, Maroon 5, and the Lilith Fair.