Green Activity Program for Memory Challenges

Inclusion Criteria: * 45 years or older * Has memory challenges or difficulties thinking * Have access and ability to respond to the telephone (mobile or landline) Study partner * 18 years or older * Speaks Spanish or English * Identified by the PLMC as a person they feel comfortable with who they would like to join them in the study. The study partner's participation is based on level of support needed for the PLMC. Outdoor activity professionals * 18 years or older * at least 1 year experience providing outdoor activities Exclusion Criteria: Participants living with memory challenges will be excluded if they do not meet inclusion criteria or if they indicate any of the following on the 2023 Physical Activity Readiness Questionnaire + (PAR-Q+) : * Heart failure or, difficulty controlling Coronary Artery Disease, Diagnosed Abnormality of Heart Rhythm, or other cardiovascular condition. * If they report difficulty controlling CAD, Diagnosed abnormality of heart rhythm they will be excluded. * If they endorse a diagnosis of heart failure, AND report symptoms greater than NYHA Functional Classification Stage I: "No limitation of physical activity. Ordinary physical activity does not cause undue fatigue, palpitation or shortness of breath," they will be excluded. Research assistants will be trained to ask about these symptoms during usual activities of daily living. * If their doctor has told them not to participate in physical activity due to their heart condition or another medical condition, they will be excluded. * Cancer and are in an active cycle of infusion chemotherapy or daily radiation treatments. * People with cancer whose treatment regimen does not impact their day to day routines (e.g.-oral chemotherapy agents) may participate. Research assistants will be trained to ask about the impact of cancer and cancer care on day to day activities and physical activity. * If their doctor has told them not to participate in physical activity due to their cancer or cancer treatment or another medical condition, they will be excluded. * Experienced a black out, fainted, or lost consciousness as a result of a head injury in the past 12 months. * Often experienced signs and symptoms of low blood sugar (hypoglycemia) following exercise and/or daily activities. * 2 or more hospitalizations in 6 months