The study of air pollution caused by metal elements is a hard and expensive work. Development of the simple and cheap methods for studying metal pollution in the air is being carried out in many countries of the world. In this paper, we used Barbula Indica moss for studying heavy metal pollution in the air in Hanoi, Hung Yen and DongNai provinces and the obtained results will be presented. | The study of air pollution of metal elements in Hanoi, Hung Yen and Dong Nai using barbula indica moss
