| City | Nation | Signed Date |
|---|---|---|
| Addis Ababa | Ethiopia | Apr.17.2006 |
| Gauteng Province | South Africa | Dec.06.1998 |
| Cairo Governorate | Egypt | Oct.28.1990 |
| City | Nation | Signed Date |
|---|---|---|
| New South Wales | Australia | Aug.03.2012 |
| Wellington | New Zealand | May.10.2006 |
| Australia Capital Territory | Australia | Sep.14.2000 |
| City | Nation | Signed Date |
|---|---|---|
| Mexico City | Mexico | Oct.19.2009 |
| San José | Costa Rica | Oct.17.2009 |
| Havana | Cuba | Sep.24.2005 |
| Ottawa | Canada | Oct.18.1999 |
| Washington, D.C. | USA | May.15.1984 |
| New York City | USA | Feb.25.1980 |
| City | Nation | Signed Date |
|---|---|---|
| Santiago Metropolitan Region | Chile | Aug.06.2007 |
| Buenos Aires | Agentina | Jul.13.1993 |
| Rio de Janeiro | Brazil | Nov.24.1986 |
| Lima | Peru | Nov.21.1983 |
