Friday

“Making It in Maine: Black Bear Business Conference,” noon to 5 p.m., with reception from 5 to 7 p.m., half-day conference designed to connect Maine’s small-business owners and entrepreneurs; with presentations, exhibits and panel discussions. Held at Buchanan Alumni House, University of Maine in Orono. Online registration is $25 for Maine residents. Visit umainealumni.com for details and registration link.

Saturday

Free Shredding, 9 a.m. to noon, hosted by Scarborough Lions Club and held at Saco & Biddeford Savings Bank, 41 Gorham Road, Scarborough. Free and open to the public. Each household may bring up to three boxes of documents including bank documents. Donations will be accepted for the Scarborough Food Pantry.

Monday and Tuesday

Recycling and Solid Waste Conference and Trade Show, 22nd annual event with a variety of workshops and exhibits, including equipment and service providers. Held at Point Lookout Resort and Conference Center in Northport. For a complete agenda and registration information, go to mrra.net/wp-content/uploads/2015/04/2015-Conference-Registration-Brochure.pdf or call John Albertini, MRRA program coordinator, at 942-6772.

April 30

“Current” Events in Stormwater, 7:15 to 9:30 a.m., an overview of Clean Water Act and regulation and enforcement, with several speakers. The forum is designed for engineers, municipal and state officials and regulators and held at Texas Instruments, 52 Jetport Plaza Road, South Portland. Presented by Environmental & Energy Technology Council of Maine. For details, go to e2tech.org; the registration deadline is April 27.

Tribute to Bowdoin College President Barry Mills and the Honorable Karen Mills, 7:30 to 9 a.m., presented by Brunswick Downtown Association and held at The Brunswick Hotel and Tavern, 4 Noble St., Brunswick. Registration is required at brunswickdowntown.org/events/tribute-to-mills/.