If I point out that in the 1970s sciene thought we were causing an ice age, liberals move the post. Is this an attempt to silence my voice?

I include links to articles from the time concerning the topic.

Why can't liberals address the question logically instead of attempting to silence me?
Update: https://answers.yahoo.com/question/index?qid=20190625142148AAZyDk6
Update 2: https://answers.yahoo.com/question/index?qid=20190625133921AApwg2H
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