HORIZON INTERNATIONAL SOLUTIONS SITE

“Integrating the Environment in Urban Planning and Management: Key Principles and Approaches for Cities in the 21st Century,” a report launched on 8 April 2014 jointly by the United Nations Environment Programme (UNEP) and Cities Alliance at the 2014 World Urban Forum in Medellin, Colombia, says that as consumers of over 75% of natural resources, cities can be major contributors to efficiency and sustainability.