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 …
Article amended on
29 June 2021
We clarified the form of the iron involved