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Seaweed Farming Can Help to Cope Up with Climate Change

In response to the Intergovernmental Panel on Climate Change (IPCC), addressing carbon emissions from our meals sector is completely important to combating climate change. Whereas land and agriculture took heart stage within the panel’s most recent report, lacking was how the oceans at massive might assist in that struggle.

Seaweed, perceived by some as little greater than marine particles on the seashore, might be a brand new participant within the effort to mitigate climate change. So say researchers at UC Santa Barbara, who investigated the carbon offsetting potential of seaweed aquaculture.

In line with Froehlich and co-authors Jamie Afferbach, Melanie Frazier and Benjamin Halpern from the National Center for Ecological Analysis and Synthesis, who synthesized numerous datasets from scientific literature, seaweed aquaculture might certainly be a robust new approach to sequester carbon. The method would contain cultivating seaweed and harvesting it for the aim of sinking the algae within the deeper ocean, the place the carbon saved in its tissues would stay ‘buried.’

There may be substantial appropriate space — roughly 48 million sq. kilometers — through which seaweed might be farmed, and a comparatively small proportion (0.001%) could be sufficient to render the whole world aquaculture trade carbon impartial, in line with the examine.

Nevertheless, the advantages do not scale proportionally towards the lot increased greenhouse gasoline-emitting world agricultural sector, partially attributable to price and progress constraints, Froehlich stated. Farming seaweed alone will not produce steadiness emissions from world meals manufacturing, she added, however, might be a helpful new instrument in a collection that features different carbon discount and offset measures reminiscent of cleaner sources of vitality, reforestation, and safety of carbon sinks.

Greenhouse fuel-mitigating seaweed farming might have the most potential with regards to attaining native and regional carbon neutrality targets; essentially, the research discovered. California is especially nicely-primed to reap the mitigating advantages of seaweed aquaculture, given the state’s sturdy climate motion coverage and its long, nutrient-rich coast. An area of solely 3.8% of the West Coast Exclusive Economic Zone (a marine zone that extends not more than 200 miles from the coast) could be sufficient to offset the carbon produced by the state’s agriculture sector.

Relative to the remainder of the world, U.S. seaweed aquaculture remains to be considered in its infancy.

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