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TELEVISION
Bill Moyers opens Earth on Edge, a two-hour report on PBS, with a question: "On the edge of what?"
In his conclusion, after he has examined the impact of human activities on five ecosystems, he answers: "We are on the edge of the greatest challenge humanity has ever confronted: an environmental crisis that could determine the quality...
Can the Earth Continue to Sustain Human Life?
By MALCOLM G. SCULLYBill Moyers opens Earth on Edge, a two-hour report on PBS, with a question: "On the edge of what?"
In his conclusion, after he has examined the impact of human activities on five ecosystems, he answers: "We are on the edge of the greatest challenge humanity has ever confronted: an environmental crisis that could determine the quality...
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