Author: Ramisa Ali Salwa

Air pollution is a serious health and environmental problem around the world. Air pollution levels are dangerously high in Bangladesh, especially in its like Dhaka and Chittagong. One of the major reasons for air pollution in cities is the loss of green spaces and trees, which help clean the air but have been replaced by buildings, roads, and factories. Despite the importance of planting more trees, it is not always possible, especially in crowded urban areas. But in response to this growing challenge, scientists and engineers have created a new solution known as the Liquid Tree. In order to clean…