If you run a non-profit organization, charity, or school (or are interested in helping one out) you should check out GoodSearch search engine.

GoodSearch is a Yahoo! powered search engine that donates 50% of its revenue to charities and schools that you specify.  This way, you get good search results and feel great about helping an organization you care about.

Your Web site can also be a powerful tool in helping your organization raise money and awareness.