REFERENCES
1. IPCC. Climate change and land: IPCC special report on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems. Cambridge University Press; 2022. Available from: https://www.ipcc.ch/srccl/ [Last accessed on 11 Mar 2026].
2. Lacirignola, C.; Capone, R.; Debs, P.; El, Bilali. H.; Bottalico, F. Natural resources - food nexus: food-related environmental footprints in the mediterranean countries. Front. Nutr. 2014, 1, 23.
3. Hultgren, A.; Carleton, T.; Delgado, M.; et al. Impacts of climate change on global agriculture accounting for adaptation. Nature 2025, 642, 644-52.
5. Ferreira, C. S. S.; Seifollahi-Aghmiuni, S.; Destouni, G.; Ghajarnia, N.; Kalantari, Z. Soil degradation in the European Mediterranean region: processes, status and consequences. Sci. Total. Environ. 2022, 805, 150106.
6. Antonelli, M.; Basile, L.; Gagliardi, F.; Isernia, P. The future of the Mediterranean agri-food systems: trends and perspectives from a Delphi survey. Land. Use. Policy. 2022, 120, 106263.
7. IEMed. Agriculture and food security in climate sensitive areas in the mediterranean. Publications Office: LU; 2020. Available from: https://data.europa.eu/doi/10.2863/584624 [Last accessed on 11 Mar 2026].
8. Biswal, B. K.; Balasubramanian, R. Use of biomass-derived biochar as a sustainable material for carbon sequestration in soil: recent advancements and future perspectives. NPJ. Mater. Sustain. 2025, 3, 26.
9. Barron-Gafford, G. A.; Murphy, P.; Salazar, A.; et al. Agrivoltaics as a climate-smart and resilient solution for midday depression in photosynthesis in dryland regions. NPJ. Sustain. Agric. 2025, 3, 32.
10. Stid, J. T.; Shukla, S.; Kendall, A. D.; et al. Impacts of agrisolar co-location on the food-energy-water nexus and economic security. Nat. Sustain. 2025, 8, 702-13.
11. Tisserant, A.; Hu, X.; Liu, Q.; Xie, Z.; Zhao, W.; Cherubini, F. Biochar and its potential to deliver negative emissions and better soil quality in Europe. Earth's. Future. 2023, 11, e2022EF003246.
12. Eurostat. Key figures on the European food chain - 2024 edition. Available from: https://ec.europa.eu/eurostat/web/products-key-figures/w/ks-01-24-000 [Last accessed on 11 Mar 2026].
13. Inventario nacional de erosión de suelos. Available from: https://www.miteco.gob.es/en/biodiversidad/servicios/banco-datos-naturaleza/informacion-disponible/inventario_nacional_erosion.html [Last accessed on 11 Mar 2026].
14. Panagos, P.; Ballabio, C.; Poesen, J.; et al. A soil erosion indicator for supporting agricultural, environmental and climate policies in the European Union. Remote. Sens. 2020, 12, 1365.
15. Galán-Martín, Á.; Contreras, M. D. M.; Romero, I.; et al. The potential role of olive groves to deliver carbon dioxide removal in a carbon-neutral Europe: opportunities and challenges. Renew. Sustain. Energy. Rev. 2022, 165, 112609.
16. Junta de Andalucía. Análisis de la densidad en las plantaciones de olivar en Andalucía. 2019. Available from: https://www.juntadeandalucia.es/sites/default/files/2020-04/An%C3%A1lisis%20densidad%20olivar%20andaluz%20v3_0.pdf [Last accessed on 11 Mar 2026].
17. De La Rosa, J. M.; Campos, P.; Diaz-Espejo, A.; et al. Soil biochar application: assessment of the effects on soil water properties, plant physiological status, and yield of super-intensive olive groves under controlled irrigation conditions. Agronomy 2022, 12, 2321.
18. Gratsea, M.; Varotsos, K.; López-Nevado, J.; López-Feria, S.; Giannakopoulos, C. Assessing the long-term impact of climate change on olive crops and olive fly in Andalusia, Spain, through climate indices and return period analysis. Clim. Serv. 2022, 28, 100325.
19. Junta de Andalucía. Primera estrategia andaluza para el sector del olivar. 2027. Available from: https://www.juntadeandalucia.es/sites/default/files/2025-02/Plan_Estrate%CC%81gico_Olivar_digital.pdf [Last accessed on 11 Mar 2026].
20. Lehmann, J.; Cowie, A.; Masiello, C. A.; et al. Biochar in climate change mitigation. Nat. Geosci. 2021, 14, 883-92.
21. Smith, P. Soil carbon sequestration and biochar as negative emission technologies. Glob. Chang. Biol. 2016, 22, 1315-24.
22. Gahane, D.; Biswal, D.; Mandavgane, S. A. Life cycle assessment of biomass pyrolysis. Bioenergy. Res. 2022, 15, 1387-406.
23. Fornes, F.; Lidón, A.; Belda, R. M.; et al. Soil fertility and plant nutrition in an organic olive orchard after 5 years of amendment with compost, biochar or their blend. Sci. Rep. 2024, 14, 16606.
24. Crespo-Barreiro, A.; Gómez, N.; González-Arias, J.; Ortiz-Liébana, N.; González-Andrés, F.; Cara-JIménez, J. Scaling-up of the production of biochar from olive tree pruning for agricultural use: evaluation of biochar characteristics and phytotoxicity. Agriculture 2023, 13, 1064.
25. Khan, S.; Irshad, S.; Mehmood, K.; et al. Biochar production and characteristics, its impacts on soil health, crop production, and yield enhancement: a review. Plants 2024, 13, 166.
26. Gu, K.; Gao, K.; Guan, S.; et al. The impact of the combined application of biochar and organic fertilizer on the growth and nutrient distribution in wheat under reduced chemical fertilizer conditions. Sci. Rep. 2025, 15, 5285.
27. Pokharel, U.; Neelgund, G.; Ray, R. L.; Balan, V.; Kumar, S. Biochar for soil amendment: applications, benefits, and environmental impacts. Bioengineering 2025, 12, 1137.
28. Solargis. Solar resource maps & GIS data. 2021. Available from: https://solargis.com/resources/free-maps-and-gis-data [Last accessed on 11 Mar 2026].
29. Análisis, S. G.; Estadística, C. Extensión de los parques fotovoltaicos en españa. 2024. Available from: https://www.mapa.gob.es/dam/mapa/contenido/ministerio/servicios/servicios-de-informacion/analisis-y-prospectiva/ayp-serie-agrinfo/ayp_37_parquefotovoltaico.pdf [Last accessed on 11 Mar 2026].
30. Varo-Martínez, M.; López-Bernal, A.; Fernández, De. Ahumada. L.; López-luque, R.; Villalobos, F. Simulation model for electrical and agricultural productivity of an olive hedgerow Agrivoltaic system. J. Clean. Prod. 2024, 477, 143888.
31. Fernández-Solas, Á.; Fernández-Ocaña, A. M.; Almonacid, F.; Fernández, E. F. Potential of agrivoltaics systems into olive groves in the Mediterranean region. Appl. Energy. 2023, 352, 121988.
32. Mouhib, E.; Fernández-Solas, Á.; Pérez-Higueras, P. J.; et al. Enhancing land use: integrating bifacial PV and olive trees in agrivoltaic systems. Appl. Energy. 2024, 359, 122660.
33. Ravilla, A.; Shirkey, G.; Chen, J.; Jarchow, M.; Stary, O.; Celik, I. Techno-economic and life cycle assessment of agrivoltaic system (AVS) designs. Sci. Total. Environ. 2024, 912, 169274.
34. Merheb, C.; Macknick, J.; Davatzes, N.; Ravi, S. Synergies and trade-offs of multi-use solar landscapes. Nat. Sustain. 2025, 8, 857-70.
35. Marrou, H.; Dufour, L.; Wery, J. How does a shelter of solar panels influence water flows in a soil-crop system? Eur. J. Agron. 2013, 50, 38-51.
36. Hassanpour Adeh, E.; Selker, J. S.; Higgins, C. W. Remarkable agrivoltaic influence on soil moisture, micrometeorology and water-use efficiency. PLoS. ONE. 2018, 13, e0203256.
37. Gobierno de España. Orden TED/765/2024, de 22 de julio, por la que se establecen las bases reguladoras para la concesión de ayudas a la inversión en proyectos innovadores de energías renovables y almacenamiento, así como a la implantación de sistemas térmicos renovables (Programa de energías renovables innovadoras), en el marco del Plan de Recuperación, Transformación y Resiliencia, financiado por la Unión Europea-Next Generation EU. 2024. Available from: https://www.boe.es/boe/dias/2024/07/25/pdfs/BOE-A-2024-15413.pdf [Last accessed on 11 Mar 2026].
38. El MITECO destina 148 millones a 199 proyectos pioneros con almacenamiento de agrivoltaica, renovables en infraestructuras, y bomba de calor. 2025. Available from: https://www.miteco.gob.es/es/prensa/ultimas-noticias/2025/agosto/el-miteco-destina-148-millones-a-199-proyectos-pioneros-con-alma.html [Last accessed on 11 Mar 2026].
39. Manzanares, P.; Ruiz, E.; Ballesteros, M.; et al. Residual biomass potential in olive tree cultivation and olive oil industry in Spain: valorization proposal in a biorefinery context. Span. J. Agric. Res. 2017, 15, e0206.
40. Huijbregts, M. A. J.; Steinmann, Z. J. N.; Elshout, P. M. F.; et al. ReCiPe2016: a harmonised life cycle impact assessment method at midpoint and endpoint level. Int. J. Life. Cycle. Assess. 2016, 22, 138-47.
41. Rosenbaum, R. K.; Huijbregts, M. A. J.; Henderson, A. D.; et al. USEtox human exposure and toxicity factors for comparative assessment of toxic emissions in life cycle analysis: sensitivity to key chemical properties. Int. J. Life. Cycle. Assess. 2011, 16, 710-27.
42. Wernet, G.; Bauer, C.; Steubing, B.; Reinhard, J.; Moreno-Ruiz, E.; Weidema, B. The ecoinvent database version 3 (part I): overview and methodology. Int. J. Life. Cycle. Assess. 2016, 21, 1218-30.
43. Fernández-Lobato, L.; López-Sánchez, Y.; Blejman, G.; Jurado, F.; Moyano-Fuentes, J.; Vera, D. Life cycle assessment of the Spanish virgin olive oil production: A case study for Andalusian region. J. Clean. Prod. 2021, 290, 125677.
44. Fernández-Lobato, L.; Ruiz-Carrasco, B.; Tostado-Véliz, M.; Jurado, F.; Vera, D. Environmental impact of the most representative Spanish olive oil farming systems: a life cycle assessment study. J. Clean. Prod. 2024, 442, 141169.
45. Fernández-Lobato, L.; Aguado, R.; Jurado, F.; Vera, D. Biomass gasification as a key technology to reduce the environmental impact of virgin olive oil production: a life cycle assessment approach. Biomass. Bioenergy. 2022, 165, 106585.
46. Fernández-Lobato, L.; García-Ruiz, R.; Jurado, F.; Vera, D. Life cycle assessment, C footprint and carbon balance of virgin olive oils production from traditional and intensive olive groves in southern Spain. J. Environ. Manag. 2021, 293, 112951.
47. Carboliva, S. L. Industrial data on the pyrolysis of olive pomace (Unpublished industrial data provided by the company). Company website: https://www.carboliva.es/en/ [Last accessed on 18 Mar 2026].
48. Redeia. National electricity system: generation structure by technology. Red Eléctrica 2024. Available from: https://www.ree.es/en/datos/generation/generation-structure [Last accessed on 11 Mar 2026].
49. Ministerio para la Transición Ecológica y el Reto Demográfico. Plan nacional integrado de energía y clima (2023-2030). 2024. Available from: https://www.miteco.gob.es/content/dam/miteco/es/energia/files-1/pniec-2023-2030/PNIEC_2024_240924.pdf [Last accessed on 11 Mar 2026].
50. Yang, Q.; Zhou, H.; Bartocci, P.; et al. Prospective contributions of biomass pyrolysis to China's 2050 carbon reduction and renewable energy goals. Nat. Commun. 2021, 12, 1698.
51. Parascanu, M.; Puig, Gamero. M.; Sánchez, P.; Soreanu, G.; Valverde, J.; Sanchez-silva, L. Life cycle assessment of olive pomace valorisation through pyrolysis. Renew. Energy. 2018, 122, 589-601.
52. Tisserant, A.; Morales, M.; Cavalett, O.; et al. Life-cycle assessment to unravel co-benefits and trade-offs of large-scale biochar deployment in Norwegian agriculture. Resour. Conserv. Recycl. 2022, 179, 106030.
53. Werra, M.; Watanabe, M. D. B.; Ballal, V.; et al. Life-cycle assessment of ferromanganese production using biocarbon as reductant and carbon capture and storage. Environ. Impact. Assess. Rev. 2026, 117, 108204.
54. Ministerio de Agricultura, Alimentación y Medio Ambiente. Real decreto 815/2013, de 18 de Octubre, Por El Que Se aprueba el reglamento de emisiones industriales y de desarrollo de La Ley 16/2002, de 1 de Julio, de prevención y control integrados de la contaminación. 2013. Available from: https://www.boe.es/eli/es/rd/2013/10/18/815 [Last accessed on 11 Mar 2026].
55. Casares De La Torre, F.; Varo, M.; López-Luque, R.; Ramírez-Faz, J.; Fernández-Ahumada, L. Design and analysis of a tracking/backtracking strategy for PV plants with horizontal trackers after their conversion to agrivoltaic plants. Renew. Energy. 2022, 187, 537-50.
56. Krasner, N. Z.; Fox, J.; Armstrong, A.; et al. Impacts of photovoltaic solar energy on soil carbon: a global systematic review and framework. Renew. Sustain. Energy. Rev. 2025, 208, 115032.
57. Kumpanalaisatit, M.; Setthapun, W.; Sintuya, H.; Pattiya, A.; Jansri, S. N. Current status of agrivoltaic systems and their benefits to energy, food, environment, economy, and society. Sustain. Prod. Consum. 2022, 33, 952-63.
58. AgrawData. Los olivos superintensivos: su impacto en producción de aceite de oliva. 2024. Available from:https://agrawdata.com/blog/olivos-superintensivos/ [Last accessed on 11 Mar 2026].
59. Agrivoltaics. Opportunities for agriculture and the energy transition. 2024. Available from: https://www.ise.fraunhofer.de/en/publications/studies/agrivoltaics-opportunities-for-agriculture-and-the-energy-transition.html [Last accessed on 11 Mar 2026].
60. European Commission. Overview of the potential and challenges for agri-photovoltaics in the European Union. Publications Office; 2023. Available from: https://publications.jrc.ec.europa.eu/repository/handle/JRC132879 [Last accessed on 11 Mar 2026].
61. Ferreira, R. F.; Marques, Lameirinhas. R. A.; Correia, V. P. Bernardo C, Torres JPN, Santos M. Agri-PV in Portugal: how to combine agriculture and photovoltaic production. Energy. Sustain. Dev. 2024, 79, 101408.
62. Premalatha, R. P.; Poorna, Bindu. J.; Nivetha, E.; et al. A review on biochar’s effect on soil properties and crop growth. Front. Energy. Res. 2023, 11, 1092637.
63. European Commission. Indicators to support the soil perspectives of the common agricultural policy (CAP). Publications Office; 2023. Available from: https://publications.jrc.ec.europa.eu/repository/handle/JRC132234 [Last accessed on 11 Mar 2026].
64. Kroeger, J. E.; Pourhashem, G.; Medlock, K. B.; Masiello, C. A. Water cost savings from soil biochar amendment: a spatial analysis. GCB. Bioenergy. 2020, 13, 133-42.
65. Sánchez-Monedero, M. A.; Cayuela, M. L.; Sánchez-García, M.; et al. Agronomic evaluation of biochar, compost and biochar-blended compost across different cropping systems: perspective from the European project FERTIPLUS. Agronomy 2019, 9, 225.
66. Gholamahmadi, B.; Jeffery, S.; Gonzalez-Pelayo, O.; et al. Biochar impacts on runoff and soil erosion by water: a systematic global scale meta-analysis. Sci. Total. Environ. 2023, 871, 161860.
67. Yang, W.; Zhang, L.; Wang, Z.; Zhang, J.; Li, P.; Su, L. Effects of biochar and nitrogen fertilizer on microbial communities, CO2 emissions, and organic carbon content in soil. Sci. Rep. 2025, 15, 9789.
68. Agronomía. Biochar impulsa la producción de aceite en olivos hasta un 24%, según investigación de soil o-live. Available from: https://www.oleorevista.com/texto-diario/mostrar/5215494/biochar-impulsa-produccion-aceite-olivos-hasta-24-segun-investigacion-soil-live [Last accessed on 11 Mar 2026].
69. Liu, Q.; Liu, B.; Zhang, Y.; et al. Biochar application as a tool to decrease soil nitrogen losses (NH3 volatilization, N2O emissions, and N leaching) from croplands: options and mitigation strength in a global perspective. Global. Chang. Biol. 2019, 25, 2077-93.
70. IPCC. 2019 Refinement to the 2006 IPCC guidelines for national greenhouse gas inventories. 2019. Available from: https://www.ipcc-nggip.iges.or.jp/EFDB/find_ef.php [Last accessed on 11 Mar 2026].
71. Domouso, P.; Calero, J.; Ruiz-Cátedra, G.; García-Ruiz, R. Nitrogen recycling across a spectrum of fertilization strategies: an assessment in olive groves. Agric. Ecosyst. Environ. 2024, 372, 109096.
72. Cameira, M.; Pereira, A.; Ahuja, L.; Ma, L. Sustainability and environmental assessment of fertigation in an intensive olive grove under Mediterranean conditions. Agric. Water. Manag. 2014, 146, 346-60.
73. Intergovernmental Panel on Climate Change. Appendix 4 method for estimating the change in mineral soil organic carbon stocks from biochar amendments: basis for future methodological development. 2019. Available from: https://www.ipcc-nggip.iges.or.jp/public/2019rf/pdf/4_Volume4/19R_V4_Ch02_Ap4_Biochar.pdf [Last accessed on 11 Mar 2026].
74. European Commission, Directorate-General for Climate Action. Support to the development of methodologies for the certification of industrial carbon removals with permanent storage: review of carbon removals through biochar. 2024. Available from: https://climate.ec.europa.eu/document/download/51aaaada-e29b-4bce-a34e-878d4d264846_en?filename=policy_carbon_expert_review_biochar_en.pdf [Last accessed on 11 Mar 2026].
75. Ballal, V.; Barbosa, Watanabe. M. D.; Gilardi, M.; et al. Influence of wood resource types, conversion technologies, and plant size on the climate benefits and costs of advanced biofuels for aviation, shipping and heavy-duty transport. Energy. Convers. Manag. 2025, 327, 119586.
76. Internation Renewable Energy Agency. Renewable power generation costs in 2023. 2024. Available from: https://www.irena.org/-/media/Files/IRENA/Agency/Publication/2024/Sep/IRENA_Renewable_power_generation_costs_in_2023.pdf [Last accessed on 11 Mar 2026].
77. Ministerio para la Transición Ecológica y el Reto Demográfico. Estrategia a largo plazo para una economía española moderna, competitiva y climáticamente neutra en 2050. 2020. Available from: https://www.miteco.gob.es/content/dam/miteco/es/cambio-climatico/planes-y-estrategias/ELP_2050.pdf [Last accessed on 11 Mar 2026].
78. Cerdà, A.; Terol, E.; Daliakopoulos, I. N. Weed cover controls soil and water losses in rainfed olive groves in Sierra de Enguera, eastern Iberian Peninsula. J. Environ. Manag. 2021, 290, 112516.
79. Junta de Andalucia. Consejeria de Sostenibilidad, Medio Ambiente y Economía Azul. Inventario Andaluz de Emisiones de Gases de Efecto Invernadero 2023. 2024. Available from: https://www.juntadeandalucia.es/medioambiente/portal/web/cambio-climatico/mitigacion/inventario-emisiones-gei/1990-2022 [Last accessed on 11 Mar 2026].
80. Qian, S.; Zhou, X.; Fu, Y.; et al. Biochar-compost as a new option for soil improvement: Application in various problem soils. Sci. Total. Environ. 2023, 870, 162024.
81. Ministerio de Agricultura, Pesca y Alimentación. Plan estratégico de la PAC de españa (PEPAC) - Documento 33. 2025. Available from: https://www.mapa.gob.es/dam/mapa/contenido/reforma-de-la-pac/plan-estrategico-pac-post-2020/documentos/pepac-33.pdf [Last accessed on 11 Mar 2026].
82. Krexner, T.; Bauer, A.; Gronauer, A.; Mikovits, C.; Schmidt, J.; Kral, I. Environmental life cycle assessment of a stilted and vertical bifacial crop-based agrivoltaic multi land-use system and comparison with a mono land-use of agricultural land. Renew. Sustain. Energy. Rev. 2024, 196, 114321.
83. Müller, A.; Friedrich, L.; Reichel, C.; Herceg, S.; Mittag, M.; Neuhaus, D. H. A comparative life cycle assessment of silicon PV modules: impact of module design, manufacturing location and inventory. Sol. Energy. Mater. Sol. Cells. 2021, 230, 111277.
84. Smith, B.; Sekar, A.; Mirletz, H.; Heath, G.; Margolis, R. An updated life cycle assessment of utility-scale solar photovoltaic systems installed in the United States. 2024.
85. Trends in photovoltaic applications 2025. 2025. Available from: www.iea-pvps.org [Last accessed on 11 Mar 2026].
86. Agencia Andaluza de la Energía. La Biomasa en Andalucía. 2020. Available from: https://www.agenciaandaluzadelaenergia.es/sites/default/files/Documentos/3_2_0068_20_LA_BIOENERGIA_EN_ANDALUCIA.PDF [Last accessed on 11 Mar 2026].
87. Li, Y.; Yang, J.; Yang, M.; Zhang, F. Exploring biochar addition impacts on soil erosion under natural rainfall: a study based on four years of field observations on the Loess Plateau. Soil. Tillage. Res. 2024, 236, 105935.
88. Smart, P. V. solar. tracker. solutions. Available from: https://www.solargik.com/ [Last accessed on 11 Mar 2026].
89. A Flexibility Strategy for the EU. A trengthening the grid with batteries and demand response. 2023. Available from: https://api.solarpowereurope.org/uploads/Position_Paper_Flexibility_strengthening_the_grid_with_storage_and_demand_response_Augusto_eb67f28c09.pdf [Last accessed on 11 Mar 2026].
90. Redeia. Actuación de Red Eléctrica ante el incidente del 28 de abril. Red Eléctrica. 2025. Available from: https://www.ree.es/es/sala-de-prensa/actualidad/nota-de-prensa/2025/04/proceso-de-recuperacion-de-la-tension-en-el-sistema-electrico-peninsular [Last accessed on 11 Mar 2026].
91. Graham, M.; Ates, S.; Melathopoulos, A. P.; et al. Partial shading by solar panels delays bloom, increases floral abundance during the late-season for pollinators in a dryland, agrivoltaic ecosystem. Sci. Rep. 2021, 11, 7452.
92. Khazael, S. M.; Abdul, Maulud. K. N.; A,
93. Ministerio de Agricultura, Pesca y Alimentation. Informe prospectivo sobre la situacion de la energía agrivoltaica. 2023. Available from: https://rb.gy/gfgwk7 [Last accessed on 11 Mar 2026].
94. Meyer, S.; Bright, R. M.; Fischer, D.; Schulz, H.; Glaser, B. Albedo impact on the suitability of biochar systems to mitigate global warming. Environ. Sci. Technol. 2012, 46, 12726-34.
95. Genesio, L.; Miglietta, F.; Lugato, E.; Baronti, S.; Pieri, M.; Vaccari, F. P. Surface albedo following biochar application in durum wheat. Environ. Res. Lett. 2012, 7, 014025.
96. Wei, S.; Ziegler, A. D.; Qin, Y.; et al. Small reduction in land surface albedo due to solar panel expansion worldwide. Commun. Earth. Environ. 2024, 5, 474.
97. CORC carbon removal indexes. 2025. Available from: https://puro.earth/corc-carbon-removal-indexes [Last accessed on 11 Mar 2026].
98. Gawith, D.; Hodge, I. Focus rural land policies on ecosystem services, not agriculture. Nat. Ecol. Evol. 2019, 3, 1136-9.
