Iris Calloway
Iris follows climate negotiations, carbon markets and the growing list of proposals to engineer the climate itself, from solar geoengineering to ocean fertilisation. She is interested in who gets to decide, and who carries the risk.
Posts by Iris
Ocean iron fertilisation revisited: from Planktos to the new marine carbon removal
Iron dumping promised cheap carbon storage and delivered scandals and a treaty fix. Now ocean carbon removal is back, with old governance questions.
Canada's biofuels law on trial: Bill C-33 and the warnings of 2008
In June 2008, mid food crisis, Canada's Senate passed a law to require biofuel blending. How did the critics' warnings hold up?
From Durban to Baku: the long life of 'climate apartheid'
Critics called the 2011 Durban climate deal 'climate apartheid'. The deal led to Paris, the phrase reached the UN. Who carries the risk in 2025?
Solar geoengineering without the hype: questions and answers
Stratospheric aerosols and cloud brightening explained, why 2024's experiments were halted, and the fight over who gets to decide.
Climate technology transfer: for Northern business or Southern countries?
At Copenhagen, technology transfer was the 'easy' climate issue. Fifteen years on, the patent fight is parked and the map of who makes what has flipped.
The risky road to Rio+20, and what the summit actually left behind
Critics warned in 2011 that Rio+20 would hand nature to the market. What did the 2012 summit really produce, and how has its green economy aged?
