Scientists have discovered a vast plume of iron and other micronutrients more than 1,000 km long billowing from hydrothermal vents in the South Atlantic Ocean. The finding, soon to be published in the journal Nature Geoscience, calls past estimates of iron abundances into question, and may challenge researchers’ assumptions about iron sources in the world’s seas.
A project pitched to locals as a way to boost salmon stocks was in fact a major geoengineering effort that breaches UN rules, it's been claimed.
A team of German researchers believe stimulating the growth of algae in our oceans may offer a viable method of removing excess carbon dioxide from the atmosphere.
The inner core of the Earth appears to be simultaneously melting and freezing, because of heat circulation in the rocky mantle that covers it.
Seeding the oceans with iron to combat global warming might be ineffective as well as risky, it seems.