The North Bay Alzheimer’s Association is starting to gear up for its annual walk, aimed at raising awareness and money for Alzheimer’s care, support and research. The Walk to End Alzheimer’s, organized in hundreds of communities throughout the country, will be held Oct. 15 at Petaluma’s Shollenberger Park. Volunteers are needed for event setup, registration, route monitoring and cheering on the participants. For details, call 573-1210 or email