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2024. január 24., szerda 07:00 |
The ocean - a climate champion? How to boost marine carbon dioxide uptake (part 1) |
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Hamburg/Kiel, 24 January, 2024 (APA/OTS) - The new World Ocean Review - available free of charge - synthesizes the current state of knowledge around ocean-based carbon dioxide removal (CDR). It aims to initiate a much-needed debate on whether humankind can and should intervene further in the ocean in order to protect the climate. |
What action should we take for the effective mitigation of climate
change? Measures to avoid greenhouse gas emissions are surely the
main priority - but the truth is that in the coming decades, we will
also have to remove large quantities of carbon dioxide from the
atmosphere and store it securely. Can - indeed, should - the ocean
aid us in this task? The new World Ocean Review (WOR 8) explores
this issue with reference to the oceans' role in the Earth's carbon
cycle and looks at the benefits, risks and knowledge gaps around the
main marine carbon dioxide removal techniques. Can and should
humankind intervene further in the ocean in order to protect the
climate? This eighth edition of World Ocean Review provides some
answers. Available from today, it can be ordered or downloaded free
of charge from https://worldoceanreview.com/en/.
In recent decades, the ocean has absorbed and stored around a
quarter of the carbon dioxide emissions caused by human activities
and has thus done much to slow down climate change. The purpose of
marine carbon dioxide removal (CDR) is to support this natural
carbon dioxide uptake by the ocean. Researchers are currently
engaged in various projects which investigate the feasibility,
costs, benefits, risks and sustainability of these CDR techniques.
What is lacking, however, is a broad social debate on whether
humankind has any right to intervene in ocean processes for the
purpose of mitigating climate change, bearing in mind that it will
not be possible to predict all the various risks and consequences
from the outset. Opponents of ocean-based CDR point to the already
parlous state of the world's oceans and the lack of knowledge about
the consequences of using CDR. But advocates of CDR insist that
effective climate action leaves us no alternative and that by using
ocean-based CDR, we can claw back the time we need to develop other
options for low-carbon living.
In view of the controversy surrounding the issue and the difficult
decisions that are likely to arise in the climate process, this
eighth edition of World Ocean Review focuses exclusively on carbon
dioxide removal (CDR). With input from more than 20 scientists, it
describes the urgent need for effective climate action and explains
the mechanisms by which the ocean captures carbon dioxide and stores
it for long periods. It explores the potential for uptake of carbon
dioxide by terrestrial vegetation, discusses why the oceans have
become a key focus of the climate debate, and provides a detailed
overview of promising ocean-based carbon capture and storage
methods: from restoration and expansion of species-rich coastal
ecosystems to interventions in marine chemistry (alkalinity
enhancement) and carbon storage deep under the ocean floor. And
finally, it considers key principles and rules which scientists
believe must be put in place if society decides in favour of
ocean-based CDR in future. (continues)
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2024. január 24., szerda 07:00 |
The ocean - a climate champion? How to boost marine carbon dioxide uptake (part 2) |
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Hamburg/Kiel, 24 January, 2024 (APA/OTS) - |
A contribution to a better understanding of the necessary measures
and their impacts
"If the warming of the Earth continues at the present rate, a
collapse of nature and society is inevitable. In order to reach our
climate target, we must resort to methods which are equally
impactful and existential. The truth is that stopping avoidable
emissions will not be enough. I very much hope that the new World
Ocean Review will help to enhance understanding of the measures that
will unfortunately be necessary and raise awareness of their
impacts," says Nikolaus Gelpke, initiator of the WOR project and
Managing Director of maribus gGmbH. World Ocean Review is published
by maribus gGmbH in partnership with the German Marine Research
Consortium (KDM), the Kiel Future Ocean Network and the
International Ocean Institute.
"WOR 8 describes measures which can be or are already being
implemented, as well as those which should be assessed as options in
terms of their benefits and possible risks. All the German marine
research institutions and organizations are involved in related
projects, proving once again that collaboration among the various
marine research disciplines is capable of making fast, deliverable
and sustainable contributions to solving a global problem. WOR 8
provides an impressive overview of current research in 2023 and also
identifies where there are knowledge gaps so that even more viable
recommendations can be made to executive agencies," Prof. Dr. Ulrich
Bathmann, Chair of the German Marine Research Consortium (KDM),
writes in his preface.
And as Prof. Dr. Martin Visbeck, Co-Spokesperson of Future Ocean,
explains: "The themes addressed in WOR 8 will continue to preoccupy
us for many years to come. At the international level, they form
part of the climate negotiations towards compliance with the Paris
Agreement and are embedded in the UN Decade of Ocean Science for
Sustainable Development, which started in 2021 and focuses on the
interface between ocean and climate and on the necessary social
transformation processes. Research on this topic is therefore
future-focused, and the new edition of WOR provides significant
impetus for this scientific field."
World Ocean Review is published every two years in German and
English and has a worldwide readership of policy-makers, business
and civil society stakeholders with an interest in the topics
covered. It provides up-to-date background information on relevant
ocean-related issues and is aimed at anyone wishing to have a say on
marine conservation and use.
The eighth edition of WOR, entitled The ocean - a climate champion?
How to boost marine carbon dioxide uptake, is published today. It
can be ordered as a printed copy or downloaded free of charge as a
pdf from https://worldoceanreview.com/en/.
Information & Material for editorial teams Digital copies of World Ocean Review 8, visual materials and social
media cards are available here:
https://worldoceanreview.com/en/wor-8-press-preview/.
- Picture is available at AP
(https://apmultimedianewsroom.com/multimedia-newsroom/partners/news-aktuell)
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Contact: Ilona Knufinke Press and Public Relations maribus gGmbH Tel: 0049-40-368076-22 Email: knufinke@mare.de
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