There is an emergent belief that changing in climatic condition has an adverse effect on water and air quality and consequently our well being and health. Chemical pollutants released into the air have the same consequence as these released in the water or on the ground: these can persist in the environment for long time and accumulate in the animals and plants tissues, affecting reproduction and growth in living organisms and moving through the food chain.

Climate change includes any significant change in different variables of climate lasting for a wide period of time. It is one of the greatest environmental, social and economic challenges of the present time. It has a great impact on rainfall intensity, temperatures, bushfire frequency, sea level rise, health, biodiversity and heritage or even impact energy supply for the present and future generations.

Environmental Health and Safety is used as the name of a unit in companies and government agencies. From an environmental point of view, it includes creating a systematic and organized approach to complying with environmental policy, managing waste, or diminishing the company’s carbon footprint. Successful Environmental Health and Safety programs also include air quality, water quality, and other aspects of workplace and community safety that have an effect on the well-being and health of workers.