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			 Greenery. Living plants, regardless of size, whether
			colored green, gold, brown, or a combination of colors. 
			Habitat. A geographic area whose combination of
			resources (such as food, cover, water, temperature, precipitation, predators, etc.)
			promotes the survival and reproduction of individuals of a certain species. 
			Horticulture. The study and practice of cultivating
			plants. 
			Life-long
			learning. The activity
			of seeking out new knowledge or developing a skill, and participating in educational
			activities over the course of a person’s entire life. 
			Natural. Plants, wildlife and humans in settings
			which are not built. Meadows, forests and gardens are natural areas. 
			Open
			space. Any outdoor public
			land not under the jurisdiction of the San Francisco Recreation and Parks Department,
			(that is, not a park or recreational facility) and any private space which is in
			general use by members of the public (such as a plaza or courtyard). 
			Parks. Any outdoor, planted areas that are under
			the jurisdiction of the San Francisco Recreation and Parks Department, maintained
			for the use and enjoyment of humans, wildlife and birds. “Parks” also include recreational
			facilities, which are indoor or outdoor spaces, managed by the San Francisco Recreation
			and Parks Department, for use in athletic activities. 
			Streetscapes. City passageways: streets, boulevards
			and alleyways. They encompass public spaces such as roadways and sidewalks, semi-private
			spaces such as residential front yards and commercial terraces, and include the street
			trees, flower-boxes and planters that enhance these spaces. 
			Urban
			forest. The collection
			of trees growing in the city, and the plants that grow beneath them.
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