Earth Day this year is on Wednesday, April 22. Earth Day, initiated in 1970 by Gaylord Nelson U.S. Senator from Wisconsin, is when communities from all around the world join together to promote environmental protection. ICMA and the Knowledge Network want to know what events, activities, and initiatives are taking place in your community to celebrate Earth Day 2015? Please post your answers below and provide links to webpages that are covering those events. These initiatives will be featured in an upcoming blog post on the Knowledge Network.