A startup humanitarian company develops and installs playground equipment in rural Ghanaian schools so the schools and villages can have some light. BYU media just did a press release, here is the link:
http://byunews.byu.edu/archive08-Jun-Ghana.aspx
See also this June 2010 article
http://www.mormontimes.com/article/15350/Mormon-teacher-provides-playgrounds-for-underprivileged