This is the second worldwide trend that makes urban health matter, especially for the urban poor.
这是第二种世界范围趋势,使城市卫生至关重要,尤其对城市穷人而言。
2
Dorothee Imbert, associate professor in landscape architecture at Harvard, pointed to urban farming, a trend that has taken root in Detroit, New York, Milwaukee and a handful of international cities.