Deep Dives
Thought-provoking research providing extensive learning opportunities

The Global Ocean

Callum Roberts, The Pew Charitable Trusts

The consequences of our taking resources from the sea were once limited to local scales. Today, exploitation, depletion, and loss affect us all.

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As world drowns in plastic waste, U.N. to hammer out global treaty

Charles Pekow, Mongabay Plastics & Pollution

At the end of February, the United Nations Environment Assembly (UNEA) will tackle a challenging task: the creation of a landmark treaty to control plastic pollution worldwide.

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The underexplored potential of green macroalgae in aquaculture

Moreira, A. et al., Reviews in Aquaculture Fisheries & Aquaculture

Green macroalgae (Chlorophyta) currently represent a residual fraction (<1%) of global seaweed biomass production landings.

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Sustainable growth of non-fed aquaculture can generate valuable ecosystem benefits

Barrett, L.T. et al., Ecosystem Services Fisheries & Aquaculture

Investment in extractive or ‘non-fed’ aquaculture has been proposed as a partial solution for sustainable food provision. An important aspect is the potential for aquaculture-environment interactions to influence the provision of ecosystem services.

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Future loss of local-scale thermal refugia in coral reef ecosystems

Dixon, A.M. et al., PLOS Climate

Thermal refugia underpin climate-smart management of coral reefs, but whether current thermal refugia will remain so under future warming is uncertain.

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A Sea of Possibilities: How we're rethinking our relationship with the ocean

Eos: Science News by AGU

In our February issue, Eos reports on the study of the ocean and our relationship to it, in the spirit of the United Nations Decade of Ocean Science for Sustainable Development.

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Impacts of Plastic Pollution in the Oceans, on Marine Species, Biodiversity and Ecosystems

World Wildlife Fund Plastics & Pollution

A new report commissioned by WWF provides the most comprehensive account to date of the extent to which plastic pollution is affecting the global ocean, the impacts it’s having on marine species and ecosystems, and how these trends are likely to develop in future.

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Guidelines for Blue Finance

International Finance Corporation, World Bank Group

Guidance for financing the Blue Economy, building on the Green Bond Principles and the Green Loan Principles.

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Plastic Drawdown: A rapid assessment tool for developing national responses to plastic pollution when data availability is limited, as demonstrated in the Maldives

Royle, J. et al., Global Environmental Change Plastics & Pollution

Developing a common understanding of a jurisdiction’s plastic waste stream and the solutions available to decision-makers is vital to build consensus across stakeholders and to align on an evidence-based portfolio of priority instruments.

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Ocean Management is Not Yet Sustainable. A New Approach Could Change That.

Nicola Frost, et al., World Resources Institute

Unsustainable development along coastlines is destroying vital marine ecosystems such as coral reefs, seagrass meadows and mangrove forests.

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Restorative Aquaculture for Nature and Communities

The Nature Conservancy Fisheries & Aquaculture

There is a pressing need to provide food for people within planetary limits—including new approaches that actively restore ecosystem health.

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Climate-Friendly Seafood: The Potential for Emissions Reduction and Carbon Capture in Marine Aquaculture

Jones, A.R. et al., BioScience Fisheries & Aquaculture

Mariculture products may offer a climate-friendly, high-protein food source, because they often have lower greenhouse gas (GHG) emission footprints than do the equivalent products farmed on land.

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The Century-Old Renewable You’ve Never Heard Of

Mark Betancourt, Eos Energy Solutions

Ocean thermal energy conversion could power the world’s tropical islands, if it ever gets out of the “innovation valley of death.”

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Net illumination reduces fisheries bycatch, maintains catch value, and increases operational efficiency

Senko, J.F. et al., Current Biology Fisheries & Aquaculture

Illuminated gillnets reduce total discarded fisheries bycatch biomass. This includes decreases in elasmobranch, Humboldt squid, and finfish bycatch. 

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Impact Report: 5 Years of Blue Action

Blue Action Fund Fisheries & Aquaculture

The Blue Action Fund is celebrating its five-year anniversary by sharing inspirational stories of the projects and people impacted by our work to support ocean protection and sustainable coastal livelihoods.

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Scientists made an incredible discovery in the ocean's 'twilight zone' off Tahiti

Rachel Ramirez, CNN

That a coral reef so large and so beautiful had yet to be discovered emphasizes how little we still know about the world's oceans, scientists say.

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Connecting the Dots: Plastic Pollution and the Planetary Emergency

Environmental Investigation Agency Plastics & Pollution

The toxic pollution resulting from rampant overproduction of virgin plastics and their lifecycles is irreversible, directly undermines our health, drives biodiversity loss, exacerbates climate change, and risks generating large-scale harmful environmental changes.

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Consider the Ocean: Climate change’s invisible solution

Douglas Wallace, Canadian Institute for Climate Choices

The oceans should no longer be ignored in Canada’s efforts to reach net zero.

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Another Record: Ocean Warming Continues through 2021 despite La Niña Conditions

Cheng, L. et al., Advances in Atmospheric Sciences

The increased concentration of greenhouse gases in the atmosphere from human activities traps heat within the climate system and increases ocean heat content (OHC).

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To Protect 30 Percent of the Ocean, the United States Must Invest in the National Marine Sanctuaries Program

Mirza, Z. et al., Center for American Progress Fisheries & Aquaculture

For the 50th anniversary of the National Marine Sanctuaries Act, the United States must ensure that sanctuaries are able to fulfill their mandate of protecting the ocean and Great Lakes and preserving their cultural history.

Read more → (23 minute read)