Carbon Dioxide Removal
Mitigating Ocean Acidification and Climate Change
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See our most recent news related to carbon dioxide removal
What is Carbon Dioxide Removal?
Carbon dioxide removal aims to remove carbon dioxide (CO2) from the atmosphere and store it on land, underground, or in the ocean.
Carbon dioxide removal (CDR), also referred to as negative emissions or carbon drawdown, aims to remove carbon dioxide (CO2) from the atmosphere and store it long-term underground or in the ocean. In addition to curbing emissions, CDR is now considered by the Intergovernmental Panel on Climate Change an essential approach for limiting global warming to 1.5 – 2 °C, which is a tipping point with expected major, irreversible ecological and social impacts. There are many techniques and strategies to remove CO2 from the atmosphere, some of which operate on land whereas others are in the ocean. Ocean-based methods are often referred to as marine CDR (mCDR). These techniques differ in their readiness for deployment and there are many unknowns about scalability, effectiveness, cost, and social and ecological impacts.
NOAA’s CDR Research Strategy presents the benefits and risks of different land-based and ocean-based techniques and NOAA assets available to assess them
Marine CDR & Ocean Acidification
NOAA's Investment in CDR Research
Why is NOAA investing in CDR research?
NOAA’s existing observational network and research programs position it to lead in the analysis of impact, effectiveness, feasibility, and risk of many CDR techniques. NOAA was created more than 50 years ago to study linkages between the ocean and atmosphere. Assessing the effectiveness of CDR approaches is directly related to its mission.
Strategy for NOAA Carbon Dioxide Removal Research
NOAA’s CDR research strategy outlines what we know about existing technologies and what we need to learn to make the best decisions moving forward to meet climate goals.
NOAA can contribute to advancing our understanding through:
- Coastal observing networks and data assimilation
- Modeling, scaling & projecting CDR pathways
- Ecosystem research & assessing impacts
- Decision support
Carbon Dioxide Removal Projects
Why we care Terrestrial liming, or the addition of a basic (alkaline) material like calcium carbonate to crops and lawns is a common agricultural soil treatment. When applied on land..
Why we care Enhanced weathering is a carbon capture technology that increases ocean alkalinity by adding rocks with ultrabasic minerals, particularly in ecosystems like wetlands and mangroves. This project examines..
Why we care Energy, manufacturing and deployment costs are critical to the viability of any carbon dioxide removal approach. This research project focuses on a new strategy that promises low..
Carbon Dioxide Removal Resources
Looking for projects? Go to our Projects Portal
Our first projects will be announced in September 2023. Our funding announcement is currently closed, but you can still view the announcement.