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Filtering by: Contributor Pfeifer, Geoffrey Remove constraint Contributor: Pfeifer, Geoffrey License https://creativecommons.org/licenses/by-nc/4.0/ Remove constraint License: https://creativecommons.org/licenses/by-nc/4.0/ UN SDG 7 - Affordable and Clean Energy Remove constraint UN SDG: 7 - Affordable and Clean Energy UN SDG 12 - Responsible Consumption and Production Remove constraint UN SDG: 12 - Responsible Consumption and Production

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