RivCoParks announces volunteer opportunities for National Volunteer Week beginning Sunday, April 6th – 12th and Global Youth Service Day Saturday, April 12th. Registration is open to various volunteer opportunities; projects will focus on making your regional parks, nature centers, historic sites, and areas of recreation the best in California. The only thing missing is you! Invite your friends, family, coworkers, groups and more! The more people the better! Join RivCoParks during National Volunteer Week and Volunteer!