Environmental management system (EMS) refers to the management of an organization’s environmental programs in a comprehensive, systematic, planned and documented manner. It includes the organizational structure, planning and resources for developing, implementing and maintaining policy for environematal protection. Environmental resource management is the management of the interaction and impact of human societies on the environment. It aims to ensure that ecosystem services are protected and maintained for future human generations, and also maintain ecosystem integrity through considering ethical,economic,and scientific (ecological) variables. Environmental resource management tries to identify factors affected by conflicts that rise between meeting needs and protecting resources. It is thus linked to environmentalprotection,sustainability and integrated landscape management. Sustainable cities, urban sustainability, or eco-city is a city designed with consideration for social, economic, environmental impact and resilient habitat for existing populations, without compromising the ability of future generations to experience the same. These cities are inhabited by people whom are dedicated towards minimization of required inputs of energy, water, food, waste, output of heat, air pollution-CO2,methane and water pollution. Ideally, a sustainable city creates an enduring way of life across the four domains of ecology, economics, politics and culture. However, minimally a sustainable city should firstly be able to feed itself with a sustainable reliance on the surrounding countryside. Secondly, it should be able to power itself with renewable sources of energy. The core of this is to create the smallest conceivable ecological foot print, while producing the lowest quantity of pollution achievable. All while efficiently using the land; composting used materials, and recycling or converting waste to energy. All of these contributions will lead to the city’s overall impacts on climate change to be minimal and with as little impact.

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