The Twin Cities Arts & Crafts 20th Century Design Show and Sale will be held on September 25-26 in the Fine Arts Building at the Minnesota State Fairgrounds. Furniture and accessories of the American Arts & Crafts Movement will be displayed along with those from the Art Moderne, Art Deco and Mid-Century movements. The event will run from 10 a.m.-5 p.m. Saturday and 11 a.m.-3 p.m. Sunday. Admission is $7. Call 651-695-1902 or visit eastwoodgallery.com.

A free home energy workshop with tips on how to reduce your energy bills will be offered from 6-7:30 p.m. Wednesday, September 29, in Room 100 of McNeely Hall at the University of Saint Thomas. Experts from the Minnesota Center for Energy and Environment will explain how to make your home more energy-efficient. Refreshments will be available, and raffle prizes will be awared. For reservations, visit tinyurl.com/6jhwuzt4 by September 17.

Home improvements and real estate history will be explored in classes offered this fall by Rethos. The schedule includes Garden Suburbs of the Twin Cities, a Zoom webinar on the history of the cities’ first suburbs of the 19th century, taught by art and architectural historian Kristin Anderson from 9-11 a.m. Tuesday, September 28 ($10); Do-It-Yourself Toilet Repair from 5:30-7 p.m. Tuesday, October 12, at the Minnesota Tool Library, 755 N. Prior Ave. ($20); Historic Finishes: Varnishes, Stains, Dyes and Wax from 9 a.m.-noon Saturday, October 23, at a place to be determined ($30); Shaping (and Reshaping) the Cities and Suburbs, a Zoom webinar on the cities’ growth trends since World War II, from 9-11 a.m. Tuesday, October 26 ($10); and Repairing and Restoring Old Windows, taught by Joe Hayes of Hayes Restoration from 6:30-8:30 p.m. Thursday, October 28, at his shop, 4439 Hiawatha Ave. S. in Minneapolis ($25). To register for classes or for information on the sliding scale for class fees, visit rethos.org or call 651-293-9047.

Master gardeners will share their expert advice on yards, gardens and composting from 11 a.m.-1 p.m. Saturday, October 8, at the information booth at Ramsey County’s yard waste collection sites at 1943 Pierce Butler Route and 870 Pleasant Ave. The advice is free at the booths or by calling the master gardener hotline at 612-301-7590.

The 2021 Sustainability Tour sponsored by the Minnesota Renewable Energy Society will be held online and in-person on Saturday and Sunday, October 2-3. The tour showcases homes and businesses with solar installations, energy storage solutions and water-saving landscapes. Energy-efficiency experts and enthusiasts will discuss the cost-savings of sustainable practices and choices. Visit mnrenewables.org/sustainability-tour.

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