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世界城市日：城市轉(zhuǎn)型與發(fā)展[圖]

發(fā)布時(shí)間：2014-10-31 01:30:55 來(lái)源：科技日?qǐng)?bào) 作者：佚名責(zé)任編輯：羅伯特

　　10月31日是“世界城市日”，這是聯(lián)合國(guó)首個(gè)以城市為主題的國(guó)際日，也是第一個(gè)由中國(guó)政府倡議并成功設(shè)立的國(guó)際日，本屆主題是“城市轉(zhuǎn)型與發(fā)展”。如今，大量新科技和綠色能源逐步在城市應(yīng)用，更多居民選擇低碳的生活方式，樂(lè)于改變的城市才有可能做到可持續(xù)發(fā)展。圖為巴西東北部巴伊亞州勞拉德弗雷塔斯市一座民宅屋頂?shù)娘L(fēng)力發(fā)電設(shè)備。該設(shè)備功率達(dá)2.4千瓦，售價(jià)約2萬(wàn)美元，但可以在三至四年內(nèi)分期付款。當(dāng)?shù)仫L(fēng)力資源豐富，又少有颶風(fēng)等自然災(zāi)害，很適合發(fā)展風(fēng)力發(fā)電。新華社/法新

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