Project Kaisei

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Project Kaisei
Project kaisei logo.png
Project Kaisei logo
Formation19 March 2009
Doug Woodring, Mary Crowley, George Orbelian
Parent organization
Ocean Voyages Institute

Project Kaisei (from 海星, kaisei, "ocean planet" in Japanese[1]) is a scientific and commercial mission to study and clean up the Great Pacific Garbage Patch, a large body of floating debris trapped in the Pacific Ocean by the currents of the North Pacific Gyre.[2] Discovered by NOAA, the patch is estimated to contain 20 times the density of floating debris compared to the global average.[2] The project aims to study the extent and nature of the debris with a view to capturing, detoxifying, and recycling the material, and is organised by the Ocean Voyages Institute, a California-based 501c3 non-profit organisation dealing with marine preservation.[3][4][5] The project is based in San Francisco and Hong Kong.


Project Kaisei was started in late 2008 by three co-founders from the San Francisco Bay Area, all with many years of ocean stewardship and activities behind them. As ocean lovers, Mary being a long time sailor, George a surfer and expert on surfboard design, and Doug with his open water swimming and paddling racing, each had different contacts and abilities to contribute to the group. With Doug living in Hong Kong, the group set up two points of operation on either side of the Pacific (San Francisco and Hong Kong) to help begin to bring all parties to the table to stem the flow of plastic and marine debris into our ocean.[6]

Project goals[edit]

The project was launched on 19 March 2009, with plans for an initial phase of scientific study of the plastic debris in the North Pacific Gyre and feasibility study of the recovery and recycling technologies. The goal is to bring about a global collaboration of science, technology and solutions, to help remove some of the floating waste. New catch methods for the debris are being studied, which would have low energy input and low marine life loss. Technologies for remediation or recycling are being evaluated, to potentially create secondary products from the waste, which in turn could help subsidize a larger scale cleanup.[7] The project has completed two expeditions, one in the summer of 2009, and one in 2010. New data on the issue has been collected, and more research and planning needs to be done in order to understand the metrics and costs associated with a larger scale cleanup effort. Planning is now taking place for future research and expeditions to take place which would allow for the testing of new capture technologies and equipment, as well as the demonstration of some of the remediation or recycling technologies that could be used.

Initial voyage[edit]

In August 2009, the initial study and feasibility voyage phase of Project Kaisei began, conducted by two vessels, the 53-metre (174-foot) diesel-powered research vessel R/V New Horizon, and the project flagship, the 46 m (150 ft) tall ship Kaisei.[5][8][9] The New Horizon, owned by the Scripps Institution of Oceanography, left San Diego on 2 August 2009 on the Scripps Environmental Accumulation of Plastic Expedition (SEAPLEX), set to last until 21 August.[4] The SEAPLEX expedition is funded by the University of California, San Diego, the National Science Foundation with supplemental funding from the Project Kaisei.[10] Two days later the Kaisei a smaller tall ship, owned by the Ocean Voyages Institute, departed San Francisco on 4 August, and was expected to undertake a 30-day voyage.[11] The Kaisei was to investigate the size and concentration of the debris field, and explore retrieval methods, while the New Horizon would join her and study the effect of the debris field on marine life.[11][12]

Intensive sampling[edit]

On reaching the patch, 1,900 kilometres (1,000 nautical miles) from the Californian coast, New Horizon began intensive sampling on 9 August.[13] The crew took samples every few hours around the clock, using nets of various sizes and collecting samples at various depths.[14] New Horizon returned on Friday 21 August 2009.[13][15] SEAPLEX reported their initial findings on Thursday 27 August 2009, declaring that the patch stretched at least 3,100 km (1,700 nmi) across, and that from 100 consecutive surface samples taken along that 1,700 path track taken through the patch, plastic was found in every one.[15] Miriam Goldstein, chief scientist of the SEAPLEX expedition described the findings as "shocking".[16] Speaking about the patch, Goldstein added, "There’s no island, there’s no eighth continent, it doesn’t look like a garbage dump. It looks like beautiful ocean. But then when you put the nets in the water, you see all the little pieces".[14]


Kaisei returned to San Francisco on the morning of Monday 31 August.[17] OVI founder and Project Kaisei co-founder Mary Crowley stated immediately following the Kaisei expeditions that the pollution was "what we expected to see, or a little worse."[18] Andrea Neal, principal investigator on the Kaisei speaking on Tuesday 1 September stated that "Marine debris is the new man-made epidemic. It's that serious".[1] Kaisei and New Horizon together had conducted tests along over 6,500 km (3,500 nmi) of the ocean.[18]

Initial findings from the voyages concluded that the vast majority of the debris is small.[14] The tiny portions of the debris field was said to be pervasive, and was found both at the surface and at deeper areas.[16] It was also described as a "nearly inconceivable amount of tiny, confettilike pieces of broken plastic", increasing in density the further they sampled into the patch.[1] Findings suggested that the presence of small debris, of a similar size to the existent marine life, could prove an obstacle to cleanup efforts.[15]

Larger debris found consisted of mainly plastic bottles, but also included shoe soles, plastic buckets, patio chairs, Styrofoam pieces, old toys and fishing vessel buoys, and a large collection of floating debris entangled in fishing net.[1][13] Various types of marine life were found on, around and within the larger types of debris.[13] Some of the garbage collected was put on display at the Bay Model Visitor Center in Sausalito, California.[18]


The initial feasibility mission aimed to collect 40 tonnes of debris, using special nets designed not to catch fish, in two passes through the field.[2][7] The project would later test methods of recycling the collected garbage into new plastic, or commercial products such as diesel fuel or clothing.[8][11] If the initial mission proved the collection and processing technologies to be viable, it was expected that the Kaisei would lead a full scale commercial cleanup voyage with other vessels, becoming operational within 18 months.[7]

Fundraising and recognition[edit]

Ocean Voyages Institute raised $500,000 for the Project Kaisei initial voyages.[1] The SEAPLEX expedition cost $387,000, funded with $190,000 from UC Ship Funds, $140,000 from Project Kaisei and $57,000 from the National Science Foundation.[16] Project Kaisei is also partnered with the California Department of Toxic Substances Control.[18]

The group has since been recognized by the United Nations Environment Programme (UNEP) in 2009 as a Climate Hero, by Google as a Google Earth Hero for its work with a video blogging voyage tracking system, and it was recently part of the Clinton Global Initiative in September 2010.[6]

See also[edit]


  1. ^ a b c d e "'Pacific Garbage Patch' expedition finds plastic, plastic everywhere". Silicon Valley Mercury News. 1 September 2009. Archived from the original on 3 June 2011. Retrieved 30 September 2009.
  2. ^ a b c Fletcher, Martin (2 May 2009). "Pacific Bin". The Times. London. Retrieved 5 August 2009.
  3. ^ "Who is behind Project Kaisei?". Project Kaisei. n.d. Archived from the original on 4 August 2009. Retrieved 5 August 2009.
  4. ^ a b "The Mission". Project Kaisei. n.d. Archived from the original on 29 March 2009. Retrieved 5 August 2009.
  5. ^ a b Burns, Judith (4 August 2009). "Voyage to study plastic 'island'". BBC News. Retrieved 5 August 2009.
  6. ^ a b "Kaisei History". Project Kaisei. Archived from the original (aspx) on 8 October 2011. Retrieved 27 May 2011.
  7. ^ a b c "Project Kaisei Launches Mission to the Plastic Vortex" (PDF). (Press release). Project Kaisei. 19 March 2009. Archived from the original (PDF) on 16 August 2009. Retrieved 5 August 2009.
  8. ^ a b "Giant Ocean-Trash Vortex Attracts Explorers". National Geographic. 31 July 2009. Retrieved 5 August 2009.
  9. ^ McFeely, Megan, "Earath's Eighth Continent," common groundJuly/August,2009, pp. 16–17.
  10. ^ "SEAPLEX The Mission". Scripps Institution of Oceanography. n.d. Archived from the original on 4 August 2009. Retrieved 5 August 2009.
  11. ^ a b c "Tall Ship Sets Sail for 'Great Pacific Garbage Patch' (Update1)". Bloomberg L.P. 4 August 2009. Retrieved 5 August 2009.
  12. ^ Walsh, Bryan (1 August 2009). "Expedition Sets Sail to the Great Plastic Vortex". Archived from the original on 4 August 2009. Retrieved 5 August 2009.
  13. ^ a b c d "Scientists Find "Great Pacific Ocean Garbage Patch"". Press Release 09-159 (Press release). National Science Foundation. 27 August 2009. Archived from the original on 23 April 2012. Retrieved 30 September 2009.
  14. ^ a b c "Sailing on the Plastic Seas". This Week @UCSD Top Stories. University of California, San Diego. 28 September 2009. Archived from the original on 28 November 2009. Retrieved 30 September 2009.
  15. ^ a b c "Plastics patch found across 3,100 km (1,700 nmi) of Pacific". Reuters UK. 28 August 2009. Archived from the original on 30 September 2009. Retrieved 30 September 2009.
  16. ^ a b c "'Shocking' amount of plastic pollutes oceans". San Diego News Network. 27 August 2009. Retrieved 30 September 2009.
  17. ^ "Vessel Kaisei Returns From Voyage to Study Plastic Garbage at Sea". Bay City News. 1 September 2009. Archived from the original on 30 September 2009. Retrieved 30 September 2009.
  18. ^ a b c d "Sausalito Scientists Display Plastic from Sea Garbage Patch". KCBS (AM). 23 September 2009. Archived from the original on 26 September 2009. Retrieved 30 September 2009.

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