How often do you eat meat? Do you recycle? Do you drive a car? Depending upon your answers, you may have a big or small ecological footprint. An ecological what? Of course we all have footprints. We leave them in the mud or after stepping in a puddle

发表于:2018-11-30 / 阅读(94) / 评论(0) 分类 常春藤生活英语

阿力克斯史蒂芬是改变世界(Worldchanging.com)网站的创建人,他在这个演讲中指出,减低人类生态足迹在当下之意义尤为巨大,原因在于西方那一套生活方式将不能推广到发展中国家,因为那样

发表于:2019-01-05 / 阅读(84) / 评论(0) 分类 TED公开课:环境 重造计划