If you want to pack up with audio stuff by doing something good for the nature, you have to checkout this yearly charity:
Many audio products of different vendors are auctioned there. We took part as well!
All the auction proceeds are going to WWF Denmark.
“[…]Rainforests all over the world are burning. They need your help!
I got in dialogue with WWF Denmark and decided to raise funds for them with a focus on the rainforests. We made an agreement that 50% of the funds raised will be directed to local organizations with field operations in the Amazonas and the remaining will go to the rainforests in Indonesia. […]”