Plant Leaves in Mount Wutai Purify Air, Boosting Tourism and Health.
Plant leaves in Mount Wutai, China, were studied to see how well they trap atmospheric particles. Different plants were tested before and after rain. Populus davidiana, Rosa hugonis, and Betula platyphylla were best at cleaning the air, while Pinus tabuliformis was not as effective. This research shows which plants are good for purifying the air in scenic areas.