And,Gray Seal Puppets, based in Charlotte, North Carolina travels around the United States.

VOA: special.2009.09.23

We control how we use time, we control the temperature in the environment, and hermetically seal ourselves in things.

我们控制时间的利用，我们控制周边环境的温度,我们把自己封闭在各种事务中，与世隔绝。

普林斯顿公开课 - 人性课程节选

Those that meet Green Seal's requirements are allowed to use the organization's logo in their advertising.

VOA: standard.2009.03.30

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

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