Worker pointing to a read out panel in the Mae Moh power plant, Mae Moh, Kampang province, Thailand. Environmental activists and villagers in the Mae Moh area believe that emissions from the Mae Moh power plant are the principal cause of respiratory disease in this area. An abnormal number of villagers in vicinity of the power plant are dying of respiratory related illnesses. Farmers in the area claim that acid rain caused by the plant is damaging crops and trees.