美国特许学校倡导绿化，传播环保理念。
Hints:
the Green Charter Schools Network
Charter schools operate with public money but without many of the rules that govern traditional public schools. In the United States the rules for charter schools differ from state to state. But in general these schools have greater freedom to decide what to teach and how to teach it. A charter scho…
特许学校靠公家的经费运行，但是不受传统公立学校规章条例的限制。在美国的州与州之间，特许学校的规章制度各不相同。但总的来说，这些学校有很大的自由去决定教什么与如何去教。 特许学校既可能独立于当地公立学校体系也可以与其相联。可以由教师，家长，社区组织开办，有时也可以由赢利组织开办。 “特许”是指其规章是一…