Green Seal operates in the U.S.market. Other countries have their own green certification programs - some run by the government and others by independent organizations.

VOA: standard.2009.03.30

and Pembroke area there's a place, "the steps", that if you step on the seal,

在彭布鲁克区，有个地方叫“台阶”，如果你踏在了印记上，

布朗的学生们 - SpeakingMax英语口语达人

Green Seal's Arthur Weissman says that in addition to government, consumers have the power to make the economy green, and they are starting to do that.

VOA: standard.2009.03.30