In real estate and lodging, an amenity is something considered to benefit a property and thereby increase its value.Tangible amenities can include the number and nature of guest rooms and the provision of facilities such as elevators (lifts), wi-fi, restaurants, parks, communal areas, swimming pools, golf courses, health club facilities, party rooms, theater or media rooms, bike paths or garages, while intangible amenities can include aspects such as well-integrated public transport, pleasant views, nearby activities and a low crime rate. Within the context of environmental economics, an environmental amenity can include access to clean air or clean water, or the quality of any other environmental good that may reduce adverse health effects for residents or increase their economic welfare.