Although it was not mentioned in the 1957 Treaty of Rome, environmental concerns have, through the various treaty reforms, gradually been able to establish themselves as one of the greatest values enshrined in the treaties. Attention should be drawn to the fact that Article 3(3) of the Treaty of the European Union (TEU) and Articles 11, 114(3), 191 to 193 of the Treaty on the Functioning of the European Union (TFEU) are dedicated to environmental issues. Driven by the fear of a disintegration of the internal market, concerns over portraying a less mercantile image of the EU, as well as the intention to safeguard ecosystems and species under threat, a European environmental policy has thus gradually emerged. Starting from a range of action programmes, EU secondary environmental law has progressively grown from a sparse set of directives to a vast body of regulatory measures aiming both to regulate the main forms of pollution as well as to protect the main ecosystems along with some of their composite elements. Today it is possible to count more than 300 EU regulatory measures, that is around eight per cent of EU law. 1 Several EU agencies, twenty-seven Member States, three EFTA States, hundreds of Regions and Länder, and thousands of municipalities now implement EU secondary environmental law through a complex web of regulations that affect virtually every aspect of our life. Thanks to EU environmental law, much has been achieved over these last thirty years: the ban on lead in petroleum products, phasing out ozone depleting substances, reduction of nitrogen oxide emissions from road transport, improvement of waste water treatment, improvement of some aspects of air quality, increase in the number of protected species and habitats thanks to the Natura 2000 network, etc. 2 These significant progresses demonstrate the key role played by EU environmental policy and law.
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