Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports.
For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal)
UNEP-GPA - Global Programme of Action for the Protection of the Marine Environment from Land-based Activities, United Nations Environment Programme. 2004. Water Supply and Sanitation Coverage in UNEP Regional Seas, Need for Rational Wastewater Emission Targets? Section III: An Inventory of regional Specific Data and the Feasibility of developing Regional Wastewater Emission Targets (WET). The Hague, Netherlands.
Uploaded on Saturday 25 Feb 2012
Ratio of wastewater treatment
Hugo Ahlenius, UNEP/GRID-Arendal
Sewage treatment is low or absent in many parts of the World, leading to eutrophication of the coastal zone, (toxic) algae blooms and dramatically reduce the ability of coral to recover from bleaching events dramatically. The data reflects the bodies of the UNEP Regional Seas programme.