Recently, Rio de Janeiro was home to the Rio+20 conference for sustainable development, witch brought world leaders together to find sustainable solitions. After being the second time this Brazilian city has hosted such a conference, what types have eco-friendly solutions have local residents thoeght of for themselves? Just days after Rio de Janeiro city it self has been classified as a UNESCO world heritage cite, many Cariocas, the name for local residents, have already found unique and different ways to be more environmentally friendly. (http://www.youtube.com/watch?v=iudWSSzHmqY&feature=plcp)

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