HAPPENIN’ OTSEGO for WEDNESDAY, APRIL 19 Wetland clean-up at the D&H Railroad WETLAND CLEAN-UP—1 p.m. Head out to the 27 acres of protected wetlands in the D&H Railyard to pick up litter, protect the ecosystem and help beautify the region with Otsego Now in the “Wetlands Not Wastelands” campaign. Supplies will be provided. Meet at corner of Fonda Avenue and Roundhouse Road, Oneonta. (607) 267-4010 or e-mail ggardner@otsegonow.com BLOOD DRIVE—Noon to 5 p.m. Save up to three lives with the American Red…