Here are the latest Charlestown-Navy Yard neighborhood notes:

Navy Yard cleanup

Volunteers are needed to lend a hand and help clean up the Navy Yard as part of the annual “Love Your Block” (formerly Boston Shines) neighborhood cleanup from 10 a.m. to noon on Saturday, April 29. Participants will meet at the main entrance to the MGH Institute of Health Professions, 36 First Ave.

Supplies and cleaning materials will be provided and Dunkin’ Donuts will provide refreshments. Friends of the Charlestown Navy Yard, Spaulding Rehabilitation Hospital and MGH Institute of Health Professions are sponsoring this event.

Send an email to Angie at info@friendscny.org to register to volunteer or for more information.

Nature paintings

The Artists’ Group of Charlestown will display “Serenity in Nature,” new paintings by Barbara J. Torrey, from 11 a.m. to 5 p.m. on Saturday and Sunday, April 29 and 30 at the Stove Factory Gallery, 523 Medford St.

The new exhibition features landscapes and nature scenes in oils.

Visit www.artistsgroupofcharlestown.com or call 617-241-0130 for further information.

Book discussion

The Charlestown Branch Library, 179 Main St., will host a free book discussion at 6:30 p.m. on Monday, May 1.

The group will discuss “The Tiger’s Wife” by Tea Obreht. Copies of the book are available at the branch.

Call 617-242-1248 for further details.

Healthy kids day

The Charlestown YMCA at 150 Second Ave. will host a healthy kids day from 10 a.m. to 2 p.m. on Saturday, May 6.

Festivities will include dancing to music spun by a DJ, games, healthy eating information with Whole Foods, face painting and chats with representatives from the U.S. Navy.

Admission is free. Call 617-286-1220 or visit www.ymcaboston.org for more information.

Student art

Bunker Hill Community College, 250 New Rutherford Ave., is displaying the annual visual and media arts department’s senior show now through Friday, June 16 in the Mary L. Fifield Gallery.

A reception open to the public will be held from 4 to 7 p.m. on Wednesday, May 10.

Students in the visual and media arts will display their end-of-year work, including paintings, sculpture, mixed media, photography and more.

Gallery hours are from 10 a.m. to 5 p.m. on Mondays, Wednesdays and Fridays, from 10 a.m. to 7 p.m. on Tuesdays and Thursdays and from 10 a.m. to 2 p.m. on Saturdays.

Visit www.bhcc.mass.edu/artgallery or call 617-228-2093 for more information.

Ecosystem science

The Charlestown Branch Library, 179 Main St., will host the New England ecosystem science program at 4 p.m. on Wednesdays, now to May 31.

Children will look at local habitats to understand them better and see what can be done to support wildlife. They will consider what kinds of animals live locally, what these creatures need and which ones only visit for a short time.

Reservations are required as space is limited. This program is suited for children in grades 1-3.

To reserve a spot, call 617-242-1248.

‘Old Ironsides’ hours

The oldest commissioned warship afloat, the USS Constitution, is still in its winter hours of operation.

“Old Ironsides” will be open to the public free of charge on Thursdays and Fridays from 2:30 to 4 p.m. and Saturdays and Sundays from 10 a.m. to 4 p.m.

Now located in Dry Dock 1 in Charlestown Navy Yard for a multi-year planned restoration period, the 217-year-old warship is open to the public.

Visitors will be able to board Constitution and explore the ship’s top (spar) deck only, as its lower decks will be off limits due to the extensive restoration work being conducted.

At the ship, visitors can interact with active duty crewmembers of Constitution and take photos by the ship’s wheel and bell.

To board USS Constitution, all visitors age 18 and older must show a valid state or federal-issued photo I.D. or passport.

After boarding Old Ironsides, visitors are encouraged to explore the USS Constitution Museum, located adjacent to Dry Dock 1. The museum is open daily from 9 a.m. to 6 p.m. Those interested in following the progress of Constitution’s restoration work are encouraged to visit the museum’s blog at usscm.org/restoration.

For more news and information, visit www.navy.mil/local/constitution or call 617-242-7511

Marine museum

The Boston Marine Society at Building No. 32, Charlestown Navy Yard, is open to the public from 9 a.m. to 4 p.m. on Mondays through Fridays.

The society hosts a large collection of art and artifacts depicting maritime history and life on the sea, as well as a research library, detailing the history of sailing and marine commerce and the history of one of the oldest and most important ports in the country.

Its website includes selected objects from its collection and the history of the organization. Visit www.bostonmarinesociety.org or call 617-242-0522 for more information.

Diorama display

The Bunker Hill Monument Museum, 45 Monument Square, is open daily from 9 a.m. to 5 p.m. Located on the Freedom Trail, the museum displays the history of the construction of the Bunker Hill Monument as well as a diorama of the historic battle. A cyclorama shows a 360-degree view of the battlefield.

The Charlestown Historical Society keeps its archives in this building, which once served as the neighborhood’s public library.