A polluted creek covered with trash in Manila, Philippines on 01 March 2009. The Department of Environment and Natural Resources reported in 2008 that the Philippines hosts 50 major polluted rivers, with a majority of pollutants coming from domestic waste. EPA/FRANCIS R. MALASIG
Many nonprofits have successfully built communities on social media. But how can they pull together the social media around a campaign or event so all those tweets and status updates don't just drift away? Here are some great examples and tools.