[Moonman62]

Here’s something for you to read while you worry.

http://wattsupwiththat.com/2014/12/23/touchy-feely-science-one-chart-suggests-theres-a-phraud-in-omitting-ocean-acidification-data-in-congressional-testimony/

[Pikachu_Dad]

Now that is a nice post. A bit more reality in that post. The 1920 and 1960 low values show that we cannot measure pH as accurately as they claim.