Open volunteer times are available at different times between 9:30 a.m. and 5 p.m. on Sunday.

The alternative schedule will help staff observe how different pollinator-friendly plants bloom, how grasses grow, if equipment fuel emissions are reduced and if stormwater infiltration improves.

Hit the ice with the whole family during the annual Buhr Blitz in Ann Arbor.

Help cut back invasive plants during two workdays in November.

Lend a hand and get creative this week in Argo Park.