(Portland, OR) -- SOLVE's Spring Cleanup will be held on Earth Day, April 22nd and registrations are now being taken. The events include beach cleanups, restoration events and urban litter cleanup projects. Last year, over 35-hundred volunteers removed 44-thousand pounds of litter and debris statewide. You can sign up at Solve Oregon dot org. Most of the events will be held on Earth Day, but several projects will be held between April 15th and the 23rd.