Two groups are setting up for an annual beach cleaning effort on Saturday.
Sharen Trembath coordinates the 27th annual Great Lakes Beach Sweep from 10 a.m. to noon as part of the International Coastal Cleanup program.
To sign up as a volunteer for area sites, check with Trembath at 549-4330 or go to greatlakesbeachsweep.org.
Buffalo Niagara Riverkeeper seeks assistants for its Fall Shoreline Sweep at more than 25 parks and green spaces along the Buffalo-Niagara shoreline. Cleanup goes from 9 a.m. to noon on Saturday. Volunteers are asked to sign up by Monday.
For a list of sites and registration details, go to bnriverkeeper.org.
Tifft photo contest
Friends of Tifft Nature Preserve offers amateur photographers ages 16 and older an opportunity to enter its "2012 Photo Contest."
Shots must be taken at the preserve at 1200 Fuhrmann Blvd. during September. Registration is required by Sept. 16. For entry details, call 825-6307 or go to sciencebuff.org/friends_of_tifft.php.
Fall River Academy
Fall 2012 sessions of Buffalo Niagara Riverkeeper's popular River Academy begin Saturday. Students interested in watershed studies can register for general studies or Erie Community College academic course credit.
For registration details, go to bnriverkeeper.org/get-involved/river-academy; for course-credit information, go to ecc.edu.
Reinstein Woods Nature Preserve's Fall Festival this year highlights water themes.
An "Underwater Room" and other exhibits show the importance of water resources at the preserve at 93 Honorine Drive in Cheektowaga from 10 a.m. to 4 p.m. on Saturday. For more details on presentations, call 683-5959 or go to dec.ny.gov and search for "Fall Festival."