Ocean Alkalinity Enhancement

Protect coastal and marine biodiversity from geoengineering

New ETC Group briefing for delegates at SBSTTA 26 In a wave of “blue carbon” hype, oceans and coastal areas are increasingly pitched as tools to fight global warming. Around the globe dozens of new projects are projected to increase the ocean's capacity to absorb CO2...

Stop Marine Geoengineering Experiments in Cornwall

Rather than reducing emissions to stop the climate crisis, geoengineers are dumping chemicals into the oceanPlanetary Technology, a Canadian company, plans to dump 450 tonnes magnesium hydroxide into the sea in St. Ives Bay, Cornwall UK as part of an ocean alkalinity...

Marine Geoengineering – Quarterly Review III (part 2)

Photo Credit: Jeremy BishopBy Anja ChalminThe second part of the third quarterly review of 2022 looks at geoengineering developments on water and on land with a focus on marine projects. Many of the approaches to marine geoengineering involve technologies to...