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Selected tag(s): seaweed

Seaweed to Slow Down Climate Change: Ready? Or Not?

Seaweed is a hot solution for mitigating climate change. Can this carbon-absorbing powerhouse really help?

Seaweed is having a moment. I’ve been working on seaweed for 40 years, and I’ve never seen so many headlines about how seaweed can save the planet. 

I can understand why. The need to save the planet is more pressing than ever. We must now dramatically reduce greenhouse gas emissions and, at the same time, increase the planet’s capacity to remove carbon dioxide (CO2) from the atmosphere to prevent even more catastrophic impacts of global warming. 

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EDF’s Tour of GreenWave Highlights Aquaculture’s Potential 

Nonprofit GreenWave supports training and innovation in ocean farming.

By Ruth Driscoll-Lovejoy and Amy Folkerts

Ocean farmers are making a splash in the sustainable seafood market — and they don’t need state-of-the-art facilities to do it. 

Thimble Island Ocean Farm in Connecticut is a commercial seaweed and shellfish farm and serves as an innovation hub for GreenWave, a nonprofit replicating and scaling regenerative aquaculture. On a recent EDF visit, our team saw first-hand how GreenWave is expanding marine aquaculture while training and supporting ocean farmers. According to GreenWave, for aquaculture to be sustainable and profitable, farmers need access to the right tools and community support.   

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Blue carbon: A better tomorrow begins below

By: Kristin M. Kleisner and Jamie Collins

As we embark this year on the United Nations Ocean Decade, you may be hearing quite a bit about blue carbon. But what is it, and why is it so important for the future of our planet?  Well, the oceans play a critical role in trapping carbon, and they have absorbed about a third of all human-generated carbon emissions since the start of the Industrial Revolution. This is important because the carbon that human activity has released into the atmosphere acts as an accelerator of climate change.

When carbon is stored naturally in the various parts of ocean and coastal ecosystems — sequestering it, or taking it out of the atmosphere, where it could contribute to warming — we call it blue carbon. The blue carbon storage reservoir includes waters, sediments, and marine plants and animals. Unfortunately, loss of habitat, overfishing and other human impacts, including those from climate change, are reducing the ability of the oceans to trap carbon. That’s why we are exploring pathways to restore these benefits now and help to secure a better future for us all. You can learn more about blue carbon and some of the ways in which we may be able to restore key pathways using this interactive site. Read More »

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Seaweed to heal the planet

Seaweed forests and algal beds cover about 3.5 million square km of our planet — only about 1% of the ocean’s surface — but these amazing ecosystems generate benefits to people and nature far out of proportion to their size. Read More »

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Blue Carbon: a diamond in the rough

As the biosphere continues to warm and the ocean acidifies, solving the global carbon problem becomes more critical each day. Keeping temperatures to survivable levels requires reducing emissions while at the same time working aggressively to absorb as much carbon dioxide as possible, using approaches that can nurture natural ecosystems and help vulnerable human communities flourish. Read More »

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Seaweeds to the rescue, redux

Recently, there has been a great deal of interest and even excitement about how seaweed might be able to help save us from climate change.

I appreciate the newfound exuberance for seaweed, and wholeheartedly agree that seaweeds do a lot for society and the planet. A similar awakening to the wonders of seaweed occurred in the 1980s, but it is now a distant memory. Let’s revisit the past so we can figure out how to create the conditions that will drive the restoration of seaweed forests and the expansion of seaweed farming at scale so they can contribute to carbon drawdown while benefiting people and nature. Read More »

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