Policymakers can benefit from the International Good Practice Principles for Sustainable Infrastructure, which offer ten essential guidelines for integrating sustainability into infrastructure planning and execution.
These principles emphasize the significance of adopting integrated approaches and system-level interventions that can help governments create a conducive environment for sustainable infrastructure.
Direct air capture (DAC) technologies extract CO2 directly from the atmosphere and store it in geological formations.
The CO2 can be permanently stored in deep geological formations, thereby achieving carbon dioxide removal (CDR).
Benefits of DAC as a CDR option include high storage permanence when associated with geological storage and a limited land and water footprint. The captured CO2 can also be used, for example in food processing or combined with hydrogen to produce synthetic fuels. In transitioning to net zero emissions, the CO2 used to produce synthetic fuels would increasingly need to be captured from sustainable bioenergy sources or from the atmosphere to avoid delayed emissions from fossil-based CO2 when the fuel is combusted. DAC is therefore one option to achieve this.
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