Gabriela Borges holds up the bottle that helped replace disposable cups at her school. Credit:Clarinha Glock/IPS

By Clarinha Glock*

RIO DE JANEIRO, Dec 23, 2010 (Tierramérica) – Living sustainably can be learned. That is the idea championed by two schools in the southern Brazilian city of Porto Alegre, where students are learning to become environmental citizens of the new millennium.
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