Steve Masterson, an arborist at the Polly Hill Arboretum in West Tisbury, is raising money to ride in the STIHL Tour des Trees, a week-long, 500-mile, cross-country cycling event. Considered America’s largest fundraiser for tree research, the tour benefits the Tree Research and Education Endowment Fund, an international charitable organization.

The Hon. Marie Laurence JocelynLassegue, Haiti’s Minister of Women’s Affairs and Rights, will visit the Island from July 15 to 19 as the guest of the volunteers of Martha’s Vineyard Fish Farm for Haiti Project and PeaceQuilts, two Vineyard humanitarian organizations working to relieve poverty in Haiti. She will be accompanied by a small delegation, all here to support the Island to Island Solidarity initiative.

Salve Workshop

Holly Bellebuono of Vineyard Herbs returns to the Polly Hill Arboretum on Tuesday, July 7 from 1 to 3 p.m. for her popular salve-making workshop. This fun hands-on workshop starts with a walk to identify and collect medicinal herbs. Afterwards participants make their own oil infusions and beeswax-based ointments. Learn practical knowledge on when and how to use herbal salves, and take home your useful creation. Supplies are included. Cost is $40, $35 for Polly Hill Arboretum members. Please register in advance, call 508-693-9426.

Ted Morgan will be the guest speaker at historic Union Chapel in Oak Bluffs at 10 a.m. this Sunday. Mr. Morgan has recently returned from a memorable trip to Normandy for the 65th anniversary of the D-Day landing and will share his experiences at the service. The Rev. Dr. John Schule will lead the devotional section.

Outspoken author, lawyer and political commentator Alan Dershowitz will be the special guest at Sunday’s presentation of The Case for Israel: Democracy’s Outpost, a 77-minute documentary screening at the Martha’s Vineyard Hebrew Center.

The film begins at 7:30 p.m. on July 5. Tickets are $15 at the door on Centre street in Vineyard Haven.

Irish Tunes on July 4

Irish music duo Michael Rooney (on harp) and June McCormack (on flute) bring freshness, forcefulness and finesse to traditional music for a concert at 8 p.m. on Saturday, July 4, at Katharine Cornell Theatre on Spring street in Vineyard Haven. Tickets are $15 in advance at Aboveground Records, Island Entertainment and Alley’s General Store, or $20 at the door. Children are free at the door. Call 508-693-6996 or 508-693-6237