50% of sales from physical CD's in the U.S. are donated to the nonprofit "Archangel Tree Archive". ATA is doing ground breaking work to reforest areas with clones of the world's oldest and largest trees. Check out the links below for more information.
Archangel Tree Archive website
Tedx Talk with founder David Milarch
NPR article on Archangel Tree Archive
All sales include a digital download of the album.