Tag Archives: geoengineering

Iron fertilisation geoengineering affects deep sea ecology too

Ocean iron fertilisation, one of the most discussed CDR geoengineering proposals, deliberately tries to stimulate biological activity in the upper ocean. New research shows this in turn affects ecology at the ocean floor too. Let’s just hope sea cucumbers don’t … Continue reading →

Antarctic krill promotes CO2 uptake by plankton through iron fertilisation

Iron is very rare in the upper layers of the world´s oceans, where photosynthesis is possible and therefore biological activity and concentration of living biomass is highest, making the mineral a growth-limiting nutrient in 40 percent of the world’s oceans, … Continue reading →

IPCC AR5 looks into geoengineering science

Next week, Monday till Wednesday, climate experts from IPCC WGI, II & III will get together in Lima to discuss a possible inclusion of geoengineering measures in climate policy. Although intended for participants only, the programme, including abstracts of keynote … Continue reading →

Does cyclone modification geoengineering make sense?

Is what a group of engineering policy researchers and atmospheric scientists from Carnegie Mellon and MIT asked themselves. Considering increasing hurricane damage around the Gulf of Mexico – and technological options – they get to a ‘maybe’.

New infographic explains cloud geoengineering story

It first cost us thousands of words and various articles on cloud whitening geoengineering and presumed cloud climate feedbacks. But we feel these 8 Rembrandts might do a much better job at communicating some of the most confusing climate science:

Sulphur switch in algae new route to marine cloud geoengineering?

Marine bacteria produce two types of sulphur compounds as they eat dead algae biomass. The one, methanethiol, or MeSH, is cycled downwater into the food chain. The other forms a liquid aerosol, dimethylsulfide, or DMS. The latter plays an important … Continue reading →

New cloud geoengineering research casts doubts: 70x less effective & smallest salt aerosols increase warming

Marine cloud seeding is one of the best documented geoengineering proposals. It is centred around the idea that some forms of clouds tend to have a net cooling effect on the Earth’s climate, by increasing albedo or reflectivity. Our regular … Continue reading →