colorful reef photo

How Gaia and Coral Reefs Regulate Ocean pH

Guest essay by Jim Steele Director emeritus Sierra Nevada Field Campus, San Francisco State University and author of Landscapes & Cycles: An Environmentalist’s Journey to Climate Skepticism Although some researchers have raised concerns about possible negative effects of rising CO2 on ocean surface pH, there are several lines of evidence demonstrating marine ecosystems are far…

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Modern Scientific Controversies Part 2: The Great Barrier Reef Wars

Guest Essay by Kip Hansen   Prologue:  This is the second in a series of several essays that will discuss ongoing scientific controversies, a specific type of which are often referred to in the science press and elsewhere as “Wars” – for instance, this essay covers the Great Barrier Reef Wars.  The purpose of the…

ocean-acidification-alarm

New publication demonstrates that scientists have routinely exaggerated the “evil twin of climate change” aka ocean acidification

A new paper published in the ICES Journal of Marine Science puts the issue of “ocean acidification” to the test, and finds that there has been significant exaggeration in the issue. The paper is: Applying organized scepticism to ocean acidification research “Ocean acidification” (OA), a change in seawater chemistry driven by increased uptake of atmospheric CO2…

coccolithopores

Carbon and Carbonate

Guest Post by Willis Eschenbach I’ve spent a good chunk of my life around, on, and under the ocean. I worked seasonally for many years as a commercial fisherman off of the western coast of the US. I’ve frozen off my begonias setting nets in driving sleet up in the Bering Sea. I’m also a…