According to the Environmental Protection Agency, the average American family use more than 300 gallons of water a day.

根据美国环境保护署的数据，美国家庭平均每天使用超过300加仑的水。

Did you know that according to the U.S. Environmental Protection Agency, the average American produces almost five pounds of garbage each day?

你知道吗，据美国环保署统计，平均每个美国人每天会产生近五磅垃圾？

The project is a field trial, which has been approved by America's Environmental Protection Agency, the EPA. But the way the technology is regulated has provoked concerns.

该项目为现场试验，已获得美国环境保护署EPA的批准。但该技术的监管方式引发了担忧。