Monday

“Ocean Acidification’s Effect on Marine Life,” 6 p.m., free workshop for seafood producers with oceanographer Dr. Mark Green, at the Gulf of Maine Research Institute, 350 Commercial St., Portland. 

Tuesday

Christian Leaders in Maine Business, 7:15 to 9 a.m., breakfast meeting with guest Stephen Buyze, at Keeley the Katerer, 178 Warren Ave., Portland. There is a suggested donation of $10. 

“Essentials of Export: Navigating International Trade,” 9 a.m. to noon, at Maine International Trade Center, 511 Congress St., Portland. The program will cover the basics of international trade and speakers include Bryan Bozsik, Joe Wyson and Lynne Gruel. The cost is $30 for MITC members and $45 for nonmembers. Register at www.mitc.com or call 541-7400. 

Wednesday

Business Breakfast Series: “Business Success Stories,” 7:30 to 9 a.m. Student Center Atrium, Thomas College, 180 W. River Road, Waterville. The cost is $14 for members with advanced registration, $16 for members at the door and $20 for nonmembers. Call Mid-Maine Chamber of Commerce at 873-3315 for registration or information. 

Business After Hours, Kennebunk-Kennebunkport Chamber of Commerce holiday spectacular, 5:30 to 7:30 p.m. at The Kennebunk Savings Financial Center, Portland Road, Kennebunk. 

Maine DOT public open house and informal discussion of possible improvements being considered for a section of Route 1 in Warren, 5:30 p.m. at Warren Community School, Eastern Road, Warren. For more information, call 624-3262 or e-mail [email protected] 

Thursday

GATEways to Employment, 9 a.m. to noon, first session in the workshop trilogy presented by Springvale CareerCenter, 9 Bodwell Court, Springvale. Visit www.mainecareercenter.com or call 324-5460 to register.

“New Year’s Resolutions For Your Business,” 5 to 7:30 p.m., Center for Maine Contemporary Art, 162 Russell Ave., Rockport. RSVP to [email protected] The cost is $5 per person. 

Gorham Business Exchange, 5:30 to 7 p.m., annual holiday reception at Nappi Distributors, 615 Main St., Gorham. The event is free and members may bring guests. 

Institute for Family-Owned Business, 5:30 to 7 p.m., holiday social for Maine’s family companies at Thos. Moser Cabinetmakers showroom, 149 Main St., Freeport. The cost is $25 per person. Call 780-5935 or e-mail [email protected] for details or to register. 

Propel, the chamber’s Young Members’ Group, networking 5:30 to 7:30 p.m. at Ri-Ra Irish Pub, 72 Commercial St., Portland.