ocean acidification

KCET Talks Ocean Acidification

Human actions have already increased carbon on the planet by about 40 percent. A quarter of that goes into the ocean. And the ocean has decreased by about .2 pH units, which may not sound like a lot. But, pH is a logarithmic scale like the Richter scale. So .2 pH is about 30% more acidic than it was before the Industrial Revolution.

Global CO2 Emissions Impacting Pacific West Coast

“Communities around the country are increasingly vulnerable to ocean acidification and long-term environmental changes,” said Richard Spinrad, chief scientist for the National Oceanic and Atmospheric Administration, and former OSU vice president for research. “It is crucial that we comprehend how ocean chemistry is changing in different places…”

A Mayday Call for Gulf of Maine

Two cold winters have given the gulf some breathing space, but climate models and recorded trends indicate our seas are going to keep warming, with the conditions experienced in the “ocean heat wave” becoming the new normal by mid-century. The result will be dramatic changes in an ecosystem Mainers have relied on since the end of the last ice age, ones for which our communities, industries and government are poorly prepared to face.