Amonette, James E.; et al. (2021): Integrated biochar research: A roadmap
Brandl, Patrick; et al. (2021): Beyond 90% capture: Possible, but at what cost?
World Resources Institute: Direct Air Capture: Resource Considerations and Costs for Carbon Removal
Friedmann, S. Julio; et al. (2020): Net-Zero and Geospheric Return: Actions Today for 2030 and Beyond
The Washington Post: Stopping climate change could cost less than fighting covid-19
Energy Voice: Europe could see $35bn in CCS spending till 2035, with UK dominating
Video: IEAGHG: Value of Emerging and Enabling Technologies in Reducing Costs, Risks & Timescales for CCS
Keen, Steve (2020): The appallingly bad neoclassical economics of climate change