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Earth temperature ascend because of modern disturbance caused by petroleum products which produce heat entangling gases and cause an unnatural weather change. Rising temperature is disturbing condition for whole globe. Rainfall is the principal source for water and soil moisture within the semi-arid and dry places in the world. Due to temperature shift less rainfall affect agriculture turns into vulnerable and plants faces severe water shortages. So drought is a prime concern in many countries like UAE. Many countries using cloud seeding is a ultimate solution for drought. All around the world generally salts are utilized as cloud seeder. Silver iodide, dry ice, and potassium iodide are the most widely recognized as cloud nuclei. These chemical aerosols in cloud seeding might possibly harm the climate, particularly the plants as well as also adversely effect on human health. Biological ice nuclei are different from these chemicals for the reason that bacteria are more effective ice nuclei than salt particles, because of their sizes and there working temperatures. This study’s goal is to concentrate on the impact of biological aerosol on cloud seeding and the environment. The findings of this study demonstrate that certain P.syringae strains are more suited to survive in conditions that arise at high altitudes and in clouds. P.syringea have own advantages and drawbacks. Bacterial ice nuclei activity cause frost in plants and damage them. Using of pesticides to control the damage of plants by P.syringea adversely affect the climate. Involving genetic adjustment in P.syringea host plants the plants effectively guarded off the bacterial disease with practically no harm to the actual plants or the general climate.