Professional and Business Singles Network will sponsor an after-work social July 27, 5:30-9 p.m. at Charlie Brown’s, 247 Raritan Avenue (Route 27), Highland Park. Membership is not required. For further details, call (888) 348-5544; e-mail pbsn@aol.com, or visit the Web site www.PBSNinfo.com.

Ecological & Environmental Learning Services, Clarksburg section of Millstone, will conduct two-day professional development workshops in ecology and environmental education for elementary and middle school teachers. The workshops will be held at the Assunpink Wildlife Management Area’s Conservation Center, off East Branch Road, just outside of Roosevelt.

At the "How to Teach Basic Ecology" workshop on July 27 and 28, participants will learn how to identify aquatic organisms, gain experience in doing aquatic sampling, practice lessons on wetlands and watersheds, learn how to conduct an aquatic research investigation and analyze the data, understand how the Internet can be used for aquatic studies, and learn how to design and maintain aquatic ecosystems in the classroom.

At the "How to Teach Environmental Education" workshop, to be held July 20 and 21 or Aug. 10 and 11, teachers will practice age-appropriate activities designed to give students the knowledge, skills and motivation to promote environmentally responsible behavior, learn techniques to promote awareness of the environment, and learn how to set up environmental stewardship activities. For more information, call Dennis Gemmell at (800) 206-6672 or e-mail eelsinc@earthlink.net.

Venture SystemSource, an IBM Premier business partner with corporate headquarters in Mississippi and an office in Freehold Township, has been recognized by CMP Media’s VARBusiness magazine as Editors’ Choice Company of the Year and as one of North America’s top technology integrators. Venture SystemSource was also ranked number 299 in the 10th annual "VARBusiness 500" ranking. The 500 companies are the leading revenue producers among approximately 90,000 solution provider organizations and account for $324 billion in sales of information technology (IT) services and products, according to a press release from Venture SystemSource. Founded in 1990, Venture SystemSource focuses on IBM, Lotus, WebSphere, Tivoli and Rational software brands.

Century 21 Action Plus Realty, Freehold, has announced the opening of its third branch office, at 5 Route 33 in Freehold. Century 21 Action Plus Realty’s main office is located at 2218 Route 9 south, Howell, and has a new Jackson office at 10 North County Line Road. All three locations will operate in unison providing its 100-plus sales associations with the support and full use of each office.

Century 21 Real Estate Corp., a subsidiary of Cendant Corp., is the franchiser and is comprised of more than 6,600 independently owned and operated franchised broker offices in more than 28 countries and territories worldwide.

Chelsea Senior Living has announced two new additions: The Chelsea at Manalapan and The Chelsea at Tinton Falls. The two residences were formerly known as Blythe House.

Chelsea Senior Living has more than four decades of experience throughout the New York and New Jersey area. Two open houses will be held at the Manalapan location to introduce the community to the new addition, July 13 from 2-4 p.m. and Aug. 5 from 4-8 p.m. There will be refreshments and raffles. To R.S.V.P., call Alison, (732) 972-6200, ext. 402.

National Association of Women Business Owners (NAWBO), Central Jersey Chapter, will hold an interactive workshop July 14 at 6 p.m. at Brookdale Community College’s Western Monmouth location, Route 9 south, Freehold Township, in Room 003, basement level. The program, "Learn to Speak With Style," will be facilitated by professional keynote speaker Donna Cardillo, R.N., M.A., president of Cardillo & Associates. The workshop will cover the art of speaking in public.

The cost is $20 for members and $25 for nonmembers. Reservations are required; call Jackie Rutberg, (732) 291-4613.

Western Monmouth Chamber of Commerce will hold its monthly general meeting July 15, 8:30 a.m., at the chamber office, 17 Broad St., Freehold. Guest speaker William F. Bladel, director of employee benefits for Mid Atlantic Resource Group LLC, will present "Association Health Plans, Healthcare Purchasing Alliances, Health Savings Accounts: Are They the Solution to Rising Health Insurance Costs?" He will discuss the issues and opportunities affecting the health-care purchasing decisions of New Jersey employers and their employees.

The cost is $10 per person and includes a continental breakfast. For reservations, call (732) 462-3030; fax (732) 462-2123; or e-mail admin@wmchamber.com.