Volcanic eruptions once caused mass extinctions in the oceans – could climate change do the same?
- Written by Jeremy D. Owens, Assistant Professor of Earth, Ocean and Atmospheric Science, Florida State University

All animals, whether they live on land or in the water, require oxygen to breathe. But today the world’s oceans are losing oxygen, due to a combination of rising temperatures and changing ocean currents. Both factors are driven by human-induced climate change.
This process has the...