deadline established by the European Union. It is estimated that 50–55% of Vatican City's municipal solid waste is properly sorted and recycled, with the goal of reaching the EU standard of 70–75% See also Architecture of Vatican City Holy city Index of Vatican City-related articles Law of Vatican City News.va Outline of Vatican City References Footnotes Citation notes Bibliography External links Official websites of the Holy See Other websites Inside the Vatican on National Geographic YouTube channel Vatican Chief of State and Cabinet Members Holy See (Vatican City). The World Factbook. Central Intelligence Agency. Holy See (Vatican City) from UCB Libraries GovPubs Vatican from BBC News The Vatican: spirit and art of Christian Rome, a book from The Metropolitan Museum of Art (fully available on the Internet as PDF) Southern European countries States and territories established in 1929 World Heritage Sites in Europe Countries in Europe Christian states Catholic pilgrimage sites Holy cities Italian-speaking countries and territories Properties of the Holy See Monarchies of Europe Catholic Church in Europe City-states Enclaved countries Landlocked countries Duty-free zones of Europe Enclaves and exclaves