After a hiatus of more than 10 years, a new round of research into ocean iron fertilization is set to begin, with scientists saying the controversial geoengineering approach has the potential to ...

When oceanographer Ken Buesseler visits his local beach in Falmouth, he doesn't think about surfing or tanning or chilling out. He looks out at those rolling waves and thinks about carbon emissions.

Cyanobacteria, as they still exist today, were the first organisms to carry out photosynthesis and release oxygen. Produced in primeval oceans about 2.5 billion years ago, this oxygen accumulated in ...