"acidification"

The Alaska Marine Highway System ferry Columbia will be part of an international science experiment starting this fall when it resumes its weekly run between Bellingham, Wash., and Southeast Alaska.

Over six months, healthy coral is bleached and then covered with algae. Scientists say bleaching has hit 93 percent of the Great Barrier Reef in Australia’s “biggest ever environmental disaster.”

Former KDLG news director Bob King has been crunching the numbers, and says sometime next season the Bay’s 2 billionth commercially caught salmon will come out of the water.

As the Pacific Ocean warms, the diet of Alaska’s seabirds has been changing along with it. Now, on the eve of President Obama’s visit to the state, researchers aren’t the only ones paying attention.