Kelp Forests Improve Climate

Giant kelp may form the most productive
marine biome for climate mitigation efforts.
We explore the innovative potential for biomimicry
of kelp and its implications on the origins’ debate

Giant Kelp: Nature’s Climate Innovator

by Dr. Sarah Buckland-Reynolds

For those of us who have heard of kelp before, we picture the thick, brownish leafy seaweed packaged neatly in health food stores. Kelp has long been valued for its nutritional benefits, rich in iodine and minerals, and even marketed as a supplement for thyroid health or skin vitality. However, recent evidence has shown that kelp is far more than a dietary curiosity, with functions that extend far beyond nutrition.

The conversation on these novel findings was reopened in a Monash University press release dated June 10, 2026, summarizing a recent study titled:

Structure of giant kelp Photosystem I-FCP uncovers drivers of antenna evolution across the red lineage (Jenevieve D. Weissman et al.), Nature Communications, (21 May 2026). Beyond its nutritional and already known ecological roles (stabilizing coastlines, nurturing marine biodiversity, and contributing to global carbon cycles), Weissman et al.’s new study has reveals that giant kelp (Macrocystis pyrifera) contains microscopic machinery that can serve as a model of precision engineering capable of inspiring innovations in energy capture, carbon sequestration, and climate resilience.

In the context of origins, without an Engineer, how and why would kelp develop such machinery? In this article, we explore the new findings and reflect on its implications on the origins debate.

Kelp’s Precision Machinery: Mechanisms Behind Kelp’s Efficiency

Weissman et al.’s paper centred around the discovery of the photosystem I–fucoxanthin-chlorophyll-protein (PSI-FCP) supercomplex in giant kelp. This molecular machinery has extraordinary efficiency in its utilization of carbon, to the extent that the authors have described kelp forests as “the most net-productive marine biome per unit area”.

So efficient are giant kelp marine biomes that they rival the entire Amazon rainforest in carbon absorption. With this mechanism, the study’s authors emphasize that kelp could provide “significant additions to ocean-based carbon sequestration,” meaning that giant kelp could significantly enhance carbon absorption: a focus point among those who are concerned about the impact of atmospheric carbon emissions on climate.

Weissman et al.’s article goes further in identifying aspects of giant kelp’s macrostructures that further support the functionality of the chlorophyll-protein supercomplex. Among these are:

Antenna Architecture: One of the key components of kelp’s productivity system is its antenna system, which has the ability to harvest light with amazing efficiency. The PSI‑FCP supercomplex previously mentioned is built from two rings of proteins that capture and funnel sunlight, as follows:

• The inner ring, made mostly of Lhcr proteins (light‑harvesting complex (LHC) protein found in the red algal lineage), is especially good at moving energy quickly into the reaction centre. The efficiency is so great that the transfer happens in less than ten trillionths of a second: an efficiency that rivals advanced photonic technology.
• Kelp also contains a second belt which is unique in kelp. Unlike diatoms or cryptophytes, kelp’s second belt is dominated by a type of protein called ‘Lhcf proteins’. This stands for Light‑harvesting complex, fucoxanthin‑chlorophyll, which uniquely function in red and brown algae. These proteins bind chlorophylls and fucoxanthin (brownish) pigments, helping capture or absorb light in the blue‑green spectrum that penetrates coastal waters. This shift alters the energy transfer network, providing flexibility and resilience.
• By mixing Lhcr and Lhcf subfamilies, kelp avoids dependence on a single mechanism, with the two layers giving kelp both speed and flexibility. As the inner belt guarantees rapid energy transfer, while the outer belt broadens the range of usable light and stabilizes the system, this diversity makes its antenna system more resilient to environmental stress, such as changes in light intensity or water turbidity.

Membrane Rippling: In kelp’s photosynthetic machinery, the proteins that sit in the cell membrane differ in height. This unevenness creates what scientists call membrane rippling. The study explains: “Our analyses revealed that FCP orientation and subfamily identity lead to a ‘membrane rippling’ effect across PSI-FCP in M. pyrifera and other red-lineage organisms.”

This rippling actually performs a vital and precise function, by helping the proteins fit together more snugly. As kelp’s oily membrane prevents ideal alignment (producing a phenomenon called hydrophobic mismatch), the rippling in kelp stabilizes its light‑harvesting system and makes energy transfer smoother. Another feature of this rippling is that the thickness of the membrane also changes how pigments absorb light. Even if two pigments are chemically the same, their position in thicker or thinner regions can shift the wavelengths they capture.

As the authors put it: “FCP subfamilies with different transmembrane thickness could have different absorption properties even with equivalent chromophore composition.” In this way, kelp’s “wavy” membrane fine‑tunes how light is absorbed, letting it adjust to different underwater lighting conditions. This design helps kelp maximize efficiency in coastal waters, where light intensity and color can change rapidly with depth, waves, or turbidity.

Gene Loss and Reconfiguration Producing Beneficial Functions: Another interesting aspect of kelp is that its protein structures were found to be unique when compared to comparative structures in red algae and cryptophytes.

A kelp forest exhibit at the Long Beach Aquarium, California (DFC)

Specifically, a protein that is normally present in the photosystem of red algae (PsaO) that usually helps anchor certain antenna proteins in a standard orientation was missing, and another protein (FCP3) was present instead in its place. Interestingly, this gene loss reshaped kelp’s photosystem, where the absence of PsaO allowed FCP3 to switch from Lhcr to Cg9-like proteins, rotating its orientation, and improving connectivity. This reconfiguration in kelp resulting in a more efficient design poses various challenges to the evolutionary narrative. Without forethought and foresight in engineering, how could blind evolutionary trial-and-error produce enhanced efficiency with a ‘replacement’ protein?

All these features converge to explain kelp’s unparalleled carbon capture. Kelp forests absorb as much CO₂ as the Amazon rainforest, yet they do so underwater, in dynamic coastal environments.

Another Inspiration for Biomimicry: Climate Innovation Inspired by Kelp

As reported by Weissman et al. (2026), the PSI-FCP supercomplex in kelp offers a model for artificial photosynthesis. By mimicking kelp’s antenna networks, engineers could design solar-to-fuel systems that surpass current technologies. The precise arrangement of chromophores and protein scaffolds provides a template for synthetic light-harvesting devices.

In addition to enhanced fuel efficiency, agriculture could also benefit, as land plants often suffer from photoinhibition under intense sunlight. By mimicking and incorporating kelp’s antenna system features in crop genetics, with its flexible second belt that balances efficiency and protection, this could yield plants that grow faster, resist stress, and capture more carbon. In addition to its agricultural applications, Weissman et al. argue that kelp’s molecular machinery could accelerate marine restoration. Artificial kelp-inspired systems might be deployed in degraded coastal zones, enhancing photosynthesis and rebuilding ecosystems.

In the context of origins, how could blind processes produce such structures that surpass present manmade technologies without there being an Intelligent Designer behind it all?

Evolutionary Narrative vs. Design

Despite the unambiguous evidence of design, Weismann et al.’s article on kelp framed their study in the context of evolution. From the title referring to “… drivers of antenna evolution across the red lineage,” to 32 mentions of “evolution” on the page of the Nature article, it is clear that, despite acknowledgement of this superior engineering, the narrative remains the default.

In an external commentary published by the Monash University, co-author, Dr. María Maldonado further framed her interpretation of what the results meant for their understanding of kelp evolution. In her words:

“By visualizing the structure of giant kelp’s photosynthetic supercomplex, we can finally see how these organisms have adapted the architecture of their antenna to thrive in coastal regions.”

However, to merely frame these capabilities as ‘adaptation’ severely short sells the optimization processes that are being described in the article: a system so finely tuned that it inspires new pathways for climate innovation. Despite this evidence, evolutionary biologists frame kelp’s origin in terms of serial endosymbiosis, where red algae were engulfed by other organisms, gradually forming complex chloroplasts. Amidst their acclaim to the evolutionary narrative, the authors themselves admit in the paper:

“The evolutionary trajectory of the set remains elusive, with phylogenomic support for various models of serial or parallel endosymbioses.”

Why Evolutionary Explanations Falter: Complexity Cannot Be Piecemeal

The insistence on evolutionary narratives counteracts the intricacies involved in the processes discovered by the authors. Most notably, the PSI-FCP system requires exact protein-protein interactions, chromophore positioning, and membrane thickness regulation. Partial systems would fail to function. Evolutionary narratives fail to explain how such interdependent components could arise step by step.

In terms of engineering, kelp’s mechanisms for energy transfer depend on chlorophyll distances (measured in angstroms), enabling transfer times under 10 picoseconds. How can random mutations explain such precision? The authors themselves note that replacing existing Lhcr proteins would alter the network. This further underscores the precision built into the kelp system. Thus, while evolutionists appeal to gene loss and neutral drift, the evidence points to purposeful design: a system engineered for maximum efficiency.

Conclusion: A Call for Further Research

Weissman et al.’s findings on kelp uncover yet another example of amazing engineering hidden within nature. The discovery of kelp’s energy efficiency and the mechanisms that make these processes possible provide a powerful testimony to the foresight of our Creator. Scientists can now harness these discoveries of intelligent design to assist in forming solutions to complex environmental issues.

While the appeal to evolution continues in the literature’s narrative, questions on the feasibility and logic of these explanations of origins grow deeper. Even with admissions that “…the evolutionary trajectory…remains elusive…” it is important to promote open dialogue on the hallmarks of design and engage competing theories of intelligent design that may better fit the observations. As it stands, my logical conclusion is that only a Superior Mind can design an edible machine with nutritional value, ecosystem balance properties and energy efficiency all packaged into a small, sleek, unassuming seaweed.

Dr. Sarah Buckland-Reynolds is a Christian, Jamaican, Environmental Science researcher, and journal associate editor. She holds the degree of Doctor of Philosophy in Geography from the University of the West Indies (UWI), Mona with high commendation, and a postgraduate specialization in Geomatics at the Universidad del Valle, Cali, Colombia. The quality of her research activity in Environmental Science has been recognized by various awards including the 2024 Editor’s Award from the American Meteorological Society for her reviewing service in the Weather, Climate and Society Journal, the 2023 L’Oreal/UNESCO Women in Science Caribbean Award, the 2023 ICETEX International Experts Exchange Award for study in Colombia. and with her PhD research in drought management also being shortlisted in the top 10 globally for the 2023 Allianz Climate Risk Award by Munich Re Insurance, Germany. Motivated by her faith in God and zeal to positively influence society, Dr. Buckland-Reynolds is also the founder and Principal Director of Chosen to G.L.O.W. Ministries, a Jamaican charitable organization which seeks to amplify the Christian voice in the public sphere and equip more youths to know how to defend their faith.