Carbon dioxide removal (CDR) techniques, or negative emission technologies (NETs), are a suite of natural and technological pathways to remove and sequester carbon dioxide (CO₂) from the air. Unlike carbon capture and storage, these techniques remove CO₂ directly from the atmosphere or enhance natural carbon sinks.
This paper identifies how governments must develop mechanisms to provide policy-relevant knowledge, clarify uncertainties and head off potential distributional impacts on climate engineering governance.
Jérôme Hilaire, Jan C. Minx, Max W. Callaghan, Jae Edmonds, Gunnar Luderer, Gregory F. Nemet, Joeri Rogelj, Maria del Mar Zamora
This paper looks at less widely researched topics around NETs that include the innovation needs and rapid technological change, termination of NETs at the end of the twenty-first century or the impacts of climate change on the effectiveness of NETs.
This paper argues that Carbon Dioxide Removal schemes are bound to exacerbate concomitant ecological and economic global crises, deepen societal dependence on large-scale technological systems and create new spaces for profit and power for the elite.
A Special Report of the Intergovernmental Panel on Climate Change
This IPCC report identifies the restoration of coastal blue carbon ecosystems as a response option to mitigate climate change through increased carbon uptake and storage.
Drawing on empirical evidence from federal proceedings, this paper assesses how climate measures, models, targets, and thresholds have shaped the trajectory of geoengineering within U.S. climate policy between 1990 and 2015.
This paper argues that an 'overshoot and peak-shaving' strategy comes with a risk of escalating ‘climate debt’ and explains its position using an analogy of subprime mortgage lending.
This is the introductory article from a special issue of the journal Ethics, Policy & Environment that highlights the ethical lessons central to geoengineering research, policy and governance.
Jan McDonald, Jeffrey McGee, Kerryn Brent, Wil Burns
this paper contends that while geoengineering options are worth exploring to protect the Great Barrier Reef from extreme warming conditions they require strong governance and public consultation from the outset.
This paper proposes using a blockchain implementation of the 'polluter pays' principle, integrating CDR futures with time and volume-matched SRM orders to address emissions contractually before release.