Many scientists, like the ones in “A Green Bill of Health,” are trying to find out the impacts that green spaces and time in nature can have on our mental health. You will test whether time outdoors can improve your own mood and sense of well-being. In this FACTivity, you will test whether being in nature affects your mood. Materials: Observation log (included) Watch or timer Topics: Recreation, Social Science, Daily Log, Green space, Mental health, Nature health benefits, Observation, Outdoor Activity.