Welcome to almost-fall, Greater Washington! And here is what’s coming up at your local nonprofits this weekend …

Accokeek Foundation (National Colonial Farm, 3400 Bryan Point Road, Accokeek, MD)

On Saturday at noon, join in the monthly kitchen table conversation about the epicurean delights of colonial Marylanders; learn how our tastes and the food itself have changed over 300 years. More information right here!

Potomac Riverkeeper (Georgetown Waterfront Park, K st & Wisconsin Avenue NW)

Celebrate the 40th anniversary of the Clean Water Act at the Georgetown Waterfront Park on Saturday morning and afternoon; all are invited to participate in a morning paddle out on the Potomac, followed by a series of clean water advocate speakers.

See the full schedule here.

Arlingtonians for a Clean Environment (4200 S. Four Mile Run Drive, Arlington, VA)

Collect and tally trash for this annual event held in conjunction with the International Coastal Cleanup and Clean Virginia Waterways Day on Saturday at 1:00 PM at Barcroft Park. Groups and families are welcome; call 703-228-6406 to register today.

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

This weekend and next, Matthew Vaky (veteran of Minneapolis’ Guthrie Theatre) creates a hilarious and startling examination of US policy towards enemy combatants; call 202 462-7834 for reservations and learn more right here.

Also: Very best wishes to THEARC on their AfterDark@THEARC gala this Saturday!

Looking ahead to next week, be sure to check out Successful Women Entrepreneurs in Washington at The Women’s Center on Monday at 6:00 PM and Financial Literacy New Volunteer Orientation is coming up on Tuesday at 7:00 PM at Our Daily Bread in Fairfax.