Phytoplankton bloom in the North Atlantic Ocean Stocktrek Images, Inc./Alamy
A former UK chief scientific adviser is planning experiments to drop sand naturally containing iron in oceans to tackle climate change and restore marine life, in a major geoengineering project that is likely to prove controversial.
Ships will be sent to three locations across the world’s oceans in the next four years to trial the technique – known as ocean iron fertilisation – David King at the Centre for Climate Repair at Cambridge (CCRC), UK, tells New Scientist.
The plan is to emulate and accelerate natural processes, such as the…
Article amended on 29 June 2021
We clarified the form of the iron involved
