Tuesday

“Building Maine’s Clean Tech Corridor,” 7:15 to 10:30 a.m., University of Southern Maine, Wishcamper Center, Portland. Cost is $15 for E2Tech members, $25 for others. To register, visit http://e2tech.org/events.

Former U.S. Sen. George Mitchell speaks, 11 a.m., Conference Center, University of Maine Hutchinson Center, Route 3, Belfast. Free, first-come basis. A reception will follow.

“Quickbooks Fundamentals No. 3,” 9 to 11 a.m., and “Marketing and Sales: Attract New Customers and Keep Them,” 6 to 9 p.m., SCORE Offices, 100 Middle St., second floor, East Tower, Portland. $35 for each workshop with online registration. For reservations, go to www.scoremaine.com or call 772-1147 weekday mornings.

“Showcase Maine,” Finance Authority of Maine annual meeting, 4:30 to 7:45 p.m., Holiday Inn by the Bay, Spring Street, Portland. Visit www.famemaine.com.

Wednesday

GrowSmart Maine, annual meeting, 1 to 4 p.m., Hathaway Creative Center, Waterville. With keynote speaker Evan Richert, AICP, former State Planning Office director and current principal of Richert Planning. Call Kim Ballard at 699-4330, ext. 3.

Thursday

“New England and Canada: Trade, Security and Looking Beyond the Border,” 7 to 9 a.m., Portland Country Club, Falmouth. Part of the World Affairs Council of Maine International Breakfast Series. $25 for members, $35 for others. Register by noon Monday at www.wacmaine.org or 221-4386.

“Power of Email and Social Media Marketing Made Simple,” free seminar at the Atlantic Room, Portland Regency, 20 Milk St., Portland. First session from 10:30 a.m. to noon covers email marketing; session from 1 to 2:30 p.m. on social media marketing. Lunch not provided. Visit http://bit.ly/vyojiv.

Mobilize Maine launch meeting, 2:30 to 6 p.m., to plan approach to regional economic development, at Peter A. McKernan Hospitality Center, Southern Maine Community College, South Portland. Space limited, registration due Monday. Call 774-9891.

“The Keys to a Successful Project,” 5:30 to 7:30 p.m., Portland Country Club, 11 Foreside Road, Falmouth. Presented by the Maine Chapter of the Project Management Institute. Visit http://www.pmimaine.org. Nonmembers are welcome.

Pecha Kucha Night, doors open 6:30 p.m.; presentations at 7:20 p.m., River Tree Arts, 35 Western Ave., Kennebunk. $5 per person. Visit http://www.pechakuchamaine.org/

Friday 

Social Media Breakfast, 7:30 to 10 a.m., Portland Masonic Temple, 415 Congress St., Portland. Speakers include Rob Gould, Linda Varrell and Sean Wilkinson. Breakfast. Register at socialmedia breakfastmaine.com.

“How Maine Will Become Top National Center for Entrepreneurship,” 7:30 to 9:30 a.m., Portland Country Club, Falmouth. Sponsored by the Association for Consulting Expertise. $22 for members, $28 for nonmembers, breakfast included. Register at www.consultexpertise.com.

Gear disposal, 8 a.m. to 3 p.m., disposal of wood traps, buoys, warp, nets, other equipment (no vessels), old highway garage lot, 47 Beachwood Ave., Kennebunkport. Call 263-5300.

“Estate Planning for the Business Owner,” 8:30 a.m. to noon, Berry Dunn, 100 Middle St., Portland. Presented by the Institute for Family-Owned Business. $99 members, $175 nonmembers. Register at www.fambusiness.org or call 798-2667.