(Portland, OR) -- Registration is now open for the environmental nonprofit group SOLVE's annual Spring Cleanup event. SOLVE is seeking volunteers to help with dozens of environmental cleanup events across the state. There are currently 65 projects open for registration, but organizers are hoping to increase that number to over 200. The cleanup projects will take place during the month of April. Last year, there were 214 projects with 45-hundred volunteers, and they removed over 26-thousand pounds of trash. You can register at Solve dot org.