Tell about your World Environment Day activity

Youth at the World Urban Forum

Youth & the World Urban Forum (for teachers)

Youth & the World Urban Forum (for youth)

Youth & the World Urban Forum (for governments)

Treelink, the Urban Forestry Portal -- Educational Resources

Treelink's Kids' corner

Treelink Learning Center (for everyone)

Natural Resources Defense Council's Cities & Green Living Portal

Ecocities (India)

Urban Ecology's description of ecocities (Australia)

World Carfree Network (sponsors of Critical Mass bike rides)

Global Green

Green Cross International

World Cities Forum

Urban Land Institute