Earth Day, Environmental Laws, Environmental Issues in the news, being green was entering the mainstream.
想一想世界地球日，环境法，新闻中的环境问题，不难看出环保行动正在成为主流。
The issues we address are of interest to every person on earth.
我们所解决的问题为地球上的每一个人所关心。
The following is a detailed summary of our tentative, current understanding of the core issues related to the presence of the visitors, and the possible earth changes that may be ahead of us.
关于外星来客的出现以及我们可能面临的地球改变的核心问题，以下是对目前所知情况的一份详细的尝试性总结。
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