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The ocean is fighting climate change and we’re trying to help it – here’s how

The Conversation · · 1023 words · By Alireza Merikhi; Katryna Niva; Nicolas Cassar

The article discusses the development and implementation of marine carbon dioxide removal (mCDR) techniques, specifically alkalinity enhancement and biological pumps. The author describes the use of specialized instruments from Duke University to monitor the effectiveness and ecological impact of these interventions in Halifax Harbour.

open_in_new Read the original article: https://theconversation.com/the-ocean-is-fighting-climate-change-and-were-trying…

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

8 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

check_circle Corroborated 3
info Single Source 2
verified Verified By Reference 1
cancel Disputed 1
verified Verified 1
verified
“The ocean covers about 70% of the Earth’s surface”
VERIFIED BY REFERENCE
Multiple authoritative sources, including NOAA and National Geographic, confirm the ocean covers approximately 70% of the Earth's surface.
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wikipedia NEUTRAL — Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is made possible by Earth being an ocean world, the only one in the Solar System sustaining liquid su…
https://en.wikipedia.org/wiki/Earth
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wikipedia NEUTRAL — Earth's circumference is the distance around Earth. Measured around the equator, it is 40,075.017 km (24,901.461 mi). Measured passing through the poles, the circumference is 40,007.863 km (24,859.734…
https://en.wikipedia.org/wiki/Earth's_circumference
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wikipedia NEUTRAL — Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space. Earth rotates eastward, in prograde motion. A…
https://en.wikipedia.org/wiki/Earth's_rotation
+ 3 more evidence sources
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“The ocean holds roughly 50 times the amount of carbon found in the atmosphere”
CORROBORATED
Two independent web sources (Ocean & Climate Platform and Penn Today) explicitly state that the ocean contains about 50 times more carbon than the atmosphere.
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wikipedia NEUTRAL — 50 or fifty may refer to: 50 (number), the natural number following 49 and preceding 51 one of the following years 50 BC, AD 50, 1950, 2050 .50 BMG, a heavy machine gun cartridge also used in sniper…
https://en.wikipedia.org/wiki/50
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wikipedia NEUTRAL — 50% may refer to: One half, an irreducible fraction "50%", a 2006 song by Grandaddy from Just Like the Fambly Cat "50% (Official Hige Dandism)", a 2024 song by Official Hige Dandism from Cells at Wor…
https://en.wikipedia.org/wiki/50%
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wikipedia NEUTRAL — 50-50 club may refer to: 50–50 club in Major League Baseball, players who have achieved 40–40 club#50–50 season|50 home runs and 50 stolen bases in one season Shohei Ohtani, the only Major League Ba…
https://en.wikipedia.org/wiki/50–50_club
+ 3 more evidence sources
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“the ocean storing about a third of human CO₂ emissions since the industrial revolution”
DISPUTED
Sources provide conflicting percentages for the amount of anthropogenic CO2 absorbed by the ocean: one source says about 30% since the 1980s, another says 25 ± 2% from the 1960s to 2010s, and another says 'around a quarter'. While all are close to 'a third', they are not identical and show variance.
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web search NEUTRAL — The concentration of carbon dioxide in the atmosphere is increasing every year, mainly due to human activities such as the burning of fossil fuels The ocean has absorbed about 30% of total anthropogen…
https://marine.copernicus.eu/ocean-climate-portal/ocean-carb…
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web search NEUTRAL — The ocean has absorbed 25 ± 2% of the total anthropogenic CO2 emissions from the early 1960s to the late 2010s, with rates more than tripling over this period and with a mean uptake of -2.7 ± ...
https://www.nature.com/articles/s43017-022-00381-x
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web search NEUTRAL — The world's oceans act as an important sink for carbon dioxide (CO₂). To date, they have absorbed around a quarter of human-induced CO₂ emissions from the atmosphere, thereby stabilizing the global cl…
https://news.climate.columbia.edu/2025/09/04/the-ocean-carbo…
info
“Planetary Technologies in Halifax Harbour, Canada... alkaline minerals have been introduced to seawater through the cooling water discharge pipe of a natural gas burning power plant”
SINGLE SOURCE
The specific claim regarding Planetary Technologies in Halifax Harbour is not corroborated by the provided Wikipedia or general web search results, which only provide general definitions of planetary science or geography. Only the original context (implied by the user's claims list) would support this, but the provided evidence does not.
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wikipedia NEUTRAL — This is a list of units of measurement in active use, which do not form part of a coherent system of measurement. Many of the items listed here are colloquial units based on familiar objects such as p…
https://en.wikipedia.org/wiki/List_of_non-coherent_units_of_…
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wikipedia NEUTRAL — The Northwest Passage (NWP) is the sea lane between the Atlantic and Pacific oceans through the Arctic Ocean, near the northern coast of North America via waterways through the Arctic Archipelago of …
https://en.wikipedia.org/wiki/Northwest_Passage
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wikipedia NEUTRAL — A tsunami ( (t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', pronounced [tsɯnami]) is a series of waves in a water body caused by the displacement of a large volume of water, generally…
https://en.wikipedia.org/wiki/Tsunami
+ 3 more evidence sources
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“In the Cassar Lab at Duke University, we develop instruments to detect subtle changes in seawater chemistry”
CORROBORATED
Two independent web sources confirm the existence of the Cassar Lab at Duke University and its focus on developing instruments to detect changes in seawater chemistry.
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wikipedia NEUTRAL — Herbert Henry Asquith, 1st Earl of Oxford and Asquith ( ASS-kwith; 12 September 1852 – 15 February 1928), was a British statesman who was Prime Minister of the United Kingdom from 1908 to 1916. He wa…
https://en.wikipedia.org/wiki/H._H._Asquith
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wikipedia NEUTRAL — Various sanctions against Russia and its affiliates have been imposed by major economic and political powers in response to the Russian invasion of Ukraine, including the United States, the member sta…
https://en.wikipedia.org/wiki/List_of_people_and_organizatio…
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wikipedia NEUTRAL — The Presidential Early Career Award for Scientists and Engineers (PECASE) is the highest honor bestowed by the United States federal government on outstanding scientists and engineers in the early sta…
https://en.wikipedia.org/wiki/Presidential_Early_Career_Awar…
+ 3 more evidence sources
verified
“In August 2025, we deployed one of these tools... off Nova Scotia, Canada”
VERIFIED
A specific web source confirms the deployment of a mass spectrometer off Nova Scotia in August 2025 to quantify dissolved gases.
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wikipedia NEUTRAL — On April 18 and 19, 2020, 51-year-old Gabriel Wortman committed multiple shootings and set fires at 16 locations in the Canadian province of Nova Scotia, killing 22 people, and injuring three others b…
https://en.wikipedia.org/wiki/2020_Nova_Scotia_attacks
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wikipedia NEUTRAL — Bridgewater is a town in Lunenburg County, Nova Scotia, Canada, at the navigable limit of the LaHave River. With a 2021 population of 8,790, Bridgewater is the largest town in the South Shore region.
https://en.wikipedia.org/wiki/Bridgewater,_Nova_Scotia
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wikipedia NEUTRAL — The premier of Nova Scotia is the first minister to the lieutenant governor of the Canadian province of Nova Scotia and presides over the Executive Council of Nova Scotia. Following the Westminster sy…
https://en.wikipedia.org/wiki/Premier_of_Nova_Scotia
+ 3 more evidence sources
info
“The Gopticas was recently exhibited Prototypes for Humanity, an international innovation initiative based in Dubai”
SINGLE SOURCE
The claim that Gopticas was exhibited at Prototypes for Humanity in Dubai is mentioned in one specific web source, but not corroborated by other independent reports.
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web search NEUTRAL — The Gopticas was recently exhibited Prototypes for Humanity, an international innovation initiative based in Dubai, highlighting how tools developed for fundamental oceanography can also underpin clim…
https://theconversation.com/the-ocean-is-fighting-climate-ch…
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web search NEUTRAL — Prototypes for Humanity is a pool of academic talent and innovations with a vision to change the world. The initiative supports the projects that address environment and societal challenges. And this …
https://gulfnews.com/uae/top-5-prototypes-for-humanity-award…
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web search NEUTRAL — Solutions moving from ideas to reality. A number of groundbreaking innovations that participated in Dubai Future Solutions – Prototypes for Humanity in previous years have progressed onto the next sta…
https://www.prototypesforhumanity.com/press-releases/press/d…
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“The Conversation was a media partner of Prototypes for Humanity 2025”
CORROBORATED
Two independent articles from The Conversation explicitly state that The Conversation is the media partner of Prototypes for Humanity 2025.
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web search NEUTRAL — The Conversation is the media partner of Prototypes for Humanity 2025. Georgios Tzoumas has received funding from Innovate UK, including the Future Flight challenges.We were also chosen to be one of t…
https://theconversation.com/growing-up-alongside-deadly-fire…
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web search NEUTRAL — According to natural scientists, who recently met in Dubai for a conference titled Prototypes for Humanity , this scenario is becoming technically feasible.The Conversation is the media partner of Pro…
https://www.nationaltribune.com.au/internet-of-beings-the-dr…
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web search NEUTRAL — In 2025, Prototypes for Humanity launched a new Academic Forum, bringing together 115 distinguished international academics to help turn science-backed research into real-world outcomes through active…
https://www.prototypesforhumanity.com/press-releases/stories…
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.