WHAT HAS CHANGED SINCE 1992 ?
TWO DIFFERENCES ARE worth noting between
this issue and our previous issue on
sustainable cities six years ago. The first is
the greater number of examples of innova-tive
environmental action plans for cities -
most of them linked to Agenda 21,the document
agreed at the United Nations Earth
Summit in Rio de Janeiro in 1992.
A second difference between 1992 and today
is the evidence of greater interest in the
theme of sustainable cities among a broader
group of people and institutions.
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