Take unwanted articles of clothing, furniture, and books to appropriate agencies. What you no longer need may be useful to someone else. Make a compost to divert organic materials away from the landfill or incinerators. Worn out historic dresses are made into reversible skirts. A walk after dinner at the edge of town.
Most homes have their own yards and lawns.
More and more natural areas are being harvested, through forestry or farming, or developed for housing and industry. Purchase an existing home and make repairs to it instead of building on natural areas or agricultural land. Reduce or avoid the use of pesticides. Remove weeds by hand, or learn to like dandelions. If you do use pesticides, make sure that you follow the directions on the package and dispose of empty containers properly.