ZZ9 supports several charities - most of which were themselves supported by Douglas Adams.

Save The Rhino

From: http://www.savetherhino.org/
Save the Rhino works to conserve viable populations of critically endangered rhinos in Africa and Asia. We recognise that the future of wildlife is inextricably linked to the communities that share its habitat. By funding field projects and through education, our goal is to deliver material, long-lasting and widespread benefits to rhinos and other endangered species, ecosystems and to the people living in these areas.

Dian Fossey Gorilla Fund

From: http://gorillafund.org/
The Dian Fossey Gorilla Fund International is dedicated to the conservation and protection of gorillas and their habitats in Africa. We are committed to promoting continued research on the gorillas and their threatened ecosystems and to providing education about their relevance to the world in which we live. In collaboration with government agencies and other international partners, we also provide assistance to local communities through education, health, training and development initiatives.

Comic Relief

From Wikipedia
The Utterly Utterly Merry Comic Relief Christmas Book was a fundraising book issued on behalf of Comic Relief in 1986. It was edited by Douglas Adams and Peter Fincham and contained contributions from many of the leading comedy writers and performers of the day. Comic Relief is a British charity which was founded in the United Kingdom in 1985 by the comedy scriptwriter Richard Curtis and Alexander Mendis in response to famine in Ethiopia. The highlight of Comic Relief's appeal is Red Nose Day, a biennial telethon held in March. Comic Relief is one of the two high profile telethon events held in Britain, the other being Children in Need held annually in November. And a recent choice of our own...

Southend Pier

From: http://yearoftheplank.com/
ZZ9 Plural Z Alpha, The Official Hitchhiker's Guide to the Galaxy Appreciation Society , is mounting a campaign to adopt a plank at Southend Pier in memory of Douglas Adams.