To ensure American citizens that government officials are doing the right thing, President Barack Obama spoke about progress the government has made on environmental issues.

VOA: standard.2010.04.25

So my favorite class right now is, I'm taking a clinical law class and environmental law

我现在最喜欢的一门课是法律实务和环境法，

喜欢环境法课程 - SpeakingMax英语口语达人