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Biological oceanography

Mesocosms

Rising CO2 levels threaten global marine life

Environment

A new analysis finds that most, if not all, marine species will be affected by increasing acidity in the oceans due to CO2 emissions.

Scientist uncovers species of ocean plants that flee from predators

Environment

As ocean gets more acidic, situation is exacerbated in Puget Sound

Environment

Giant mass of plastic threatens marine life in Pacific

Environment
The World

Research Expedition Captures Stunning Images of Plankton

Environment

Heinz Awards Celebrate “Environmental Champions”

Ten creative people are receiving this year’s Heinz Award for their environmental efforts. Among them is a marine biologist with a hopeful message about the world’s oceans.

Ocean Extinction Trend

Increased atmospheric carbon is causing a “Deadly Trio” in the world’s oceans. The trifecta of global warming, ocean acidification, and deoxygenation has been associated with all 5 major extinction events in paleontological history.

The World

Chile Assists Sea Lions

Producer Bob Carty reports from the Pacific coast of Chile where El Niño has had a devastating impact on some well established marine wildlife. Marine biologists there say they’re now learning to prepare for what other changes to marine life the odd weather may be bringing their way.

Toxic Algae on the Rise

Steve talks with Boston Globe environment reporter Ross Gelbspan about the increase in the number of large algae blooms in oceans around the world. The outbreaks, which can produce such phenomena as red tide, as causing concern among scientists that marine ecosystems may be under great stress.

The Need for Seaweed

Sargassum seaweed is a critically important habitat for hundreds of marine species. The plant originates in the Gulf of Mexico and is carried by ocean currents to the Sargasso Sea off the East Coast. Scientists are concerned that oil in the Gulf is killin