Have a good weekend, Greater Washington! And consider spending a day with a local nonprofit …

District of Columbia Arts Center (2438 18th Street NW, Washington, DC)

Over 40 area artists in two spaces create “Signals,” DCAC’s new exhibition; JW Mahoney (DC curator and artist) aims to prove that there long has been a distinct “school” of DC art. Opening reception is today at 7:00 PM.

Anacostia Watershed Society (Bladensburg Waterfront Park, Bladensburg, MD) — Event Full

On Friday at 10:00 AM, build and install bird houses at our native meadow along the Northwest Branch of the Anacostia River; all tools and supplies needed will be provided. More information this way!

Audubon Naturalist Society of the Central Atlantic States (600 Water Street SW, Washington, DC)

Tour the Potomac aboard the historic Sequoia Presidential Yacht. ANS Naturalists will highlight efforts to clean the river — and the work that still needs to be done. Event is filling fast; RSVP information is here.

Smith Center for Healing and the Arts (1662 U Street NW, Washington, DC)

Join in a therapeutic practice to align breath, movement, and awareness to restore balance and health at “Qigong: Going Within” on Monday at 8:00 AM. Learn more right here.

Also: the Acumen Solutions 4th Annual Race for a Cause is coming up this weekend. Race proceeds will be distributed to ten great nonprofits (eight of which are in the Catalogue network). Consider signing up today!