Seaweed: A potential climate change solution

Wilson Thau Lym Yong, Vun Yee Thien, Rennielyn Rupert and Kenneth Francis Rodrigues

Renewable and Sustainable Energy Reviews, 2022, vol. 159, issue C

Abstract: Climate change and environmental deterioration have spurred a blue carbon economic model in which fuel and food may be produced from marine ecosystems through the processes of carbon sequestration, carbon storage, and carbon harvest to substitute fossil products. This review discusses the potential of seaweed as a blue carbon sink and a renewable and sustainable energy source in the biogenic carbon cycle in the context of climate change adaptation and mitigation strategies. Data were collected from more than 100 scientific articles, reliable organizations, and industry resources to a concise explanation and novel perspective on how seaweed can contribute considerably to the newly emerging blue carbon economy and revolutionary tools to combat climate change in the long term. According to the findings, seaweed has all the features required to be classified as a blue carbon habitat and a massive carbon sink. Besides its function in climate change adaptation and mitigation, seaweed is also a prelude to attaining a bioeconomy by lowering the reliance on fossil fuel. Documented evidence supports various applications in sectors as diverse as human meals, livestock feed, biofuels, and renewable feedstocks. However, the literature also identifies barriers to the implementation of seaweed farming operations. This review provides evidence that seaweed farming and industries are potential alternatives for future energy, decarbonization, and food security, mitigating global climate change and attaining economic growth and sustainable livelihoods.

Keywords: Animal fodder; Biofuel; Blue carbon; Protein source; Regenerative farming; Renewable plastic; Soil supplements; Sustainable livelihood (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (5)

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DOI: 10.1016/j.rser.2022.112222

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