Comment: No light beyond 200m is barely detectable

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No light beyond 200m is barely detectable

The ocean data is a little troubling. I just don't know how reliable it is.
http://oceanservice.noaa.gov/facts/light_travel.html
His complaint about air temperature is bull however. Just remember two things in about a thousand years we will run out if coal, gas and oil to burn so earth will survive and we might alter the earths temperature while we do that so there's an experiment going on