The technological standards set by the EPA do not necessarily enforce the use of specific technologies, but set minimum performance levels for different industries. The EPA often encourages technological improvement by setting standards that are not achievable with current technologies. These standards are always set based on the industry's top performers to promote the overall improvement of the industry as a whole. Impact of non-governmental organizations on environmental standards International Organization of Standardization The International Organization of Standardization (ISO) develops a large number of voluntary standards. With 163 member states, it has a comprehensive outreach. The standards set by the ISO were often transmitted into national standards by different nations. About 363,000 companies and organizations worldwide have the ISO 14001 certificate, a standard for environmental management created to improve the environmental performance of an organization and legal aspects as well as reaching environmental aims. Most of the national and international environmental management standards include the ISO 14000 series. In light of the UN Sustainable Development Goals, ISO has identified several families of standards which help meet SDG 13 which is focused on Climate Action for global warming. Greenpeace Greenpeace is a popular non-governmental organization that deals with biodiversity and the environment. Their activities have had a great global impact on environmental issues. Greenpeace encourages public attention and enforces governments or companies to adapt and set environmental standards through activities recording special environmental issues. Their main focus is on forests, the sea, climate change, and toxic chemicals. For example, the organization set a standard about toxic chemicals together with the textiles sector, creating the concept 2020, which plans to banish all toxic chemicals from textile production by 2020. World Wildlife Fund The World Wide Fund is an international non-governmental organization founded in 1961 that works in the field of wilderness preservation and the reduction of human impact on the environment. Economy Environmental standards in the economy are set through external motivation. First, companies need to fulfill the environmental law of the countries in which they operate. Moreover, environmental standards are based on voluntary self-commitment which means companies implement standards for their business. These standards should exceed the level of the requirements of governmental regulations. If companies set further-reaching standards, they try to fulfill the wishes of stakeholders. At the process of setting environmental standards, three different stakeholders have the main influence. The first stakeholder, the government, is the strongest determinate, followed