Blaming Sagan for earth day, or the state of Science these days, is a bit of a stretch. He was influential, but not some kind of godlike hypnotist.
![](http://q.likesuccess.com/130/6494698-quote-carl-sagan-extraordinary-claims.jpg)
"Extraordinary claims require extraordinary proof" Said comment is, in fact, anti-science in the extreme. Replicated experimental data is all that is required for ANY question of science, all previous existing data and theory notwithstanding.