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"These crises are truly interconnected. There is only one ocean and by tracking the flow of plastics we are trying to demonstrate the connectedness and the wide-reaching impact that humans are having on our planet.
"There is an urgency to acknowledge that the climate crisis is the ocean crisis."
Mirella von Lindenfels, Director of the International Programme on the State of the Ocean (IPSO), said: "The ocean regulates our climate and buffers us from the full force of climate change by absorbing our excess heat and over a third of our CO2 emissions.
"Any irreversible and significant changes to the ocean could have profound economic and ecological consequences.
"We have named our new bottles "Heat, Acidity, Deoxygenation and Pollution' to highlight how these climate-driven impacts on the ocean will affect life on Earth.
"As new research reveals, climate change cannot be treated independently of the marine plastic crisis, so must be tackled in tandem to synergistically reduce greenhouse gas emissions."
Dr. Phil Hosegood, Associate Professor in Physical Oceanography at the University of Plymouth, said: "The bottles released during the G7 have already shown how plastics released offshore readily find their way back to our coastlines.
"Released off the coasts of Cornwall, they washed up on beaches not just nearby but also in the Channel Islands and France.
"It demonstrates a strong connectivity between currents in the open ocean and those flowing along our shores and beaches.
"However, it also shows this isn't an issue one nation can tackle alone, but that actions taken locally to prevent waste flowing from land to ocean could have a positive impact on our planet as a whole."
Over 359 million tons of plastic is produced annually and production has been predicted to double in the next 20 years.
With more than 40% of this amount allocated for single-use applications some groups, such as London's #OneLess campaign, have decided to start tackling the plastic pollution problem close to home.
Over the past six years #OneLess has catalyzed a change in the way Londoners drink water, from single-use plastic water bottles to refilling and reusing.
"Through our collaborative approach to this issue we've managed to bring together individuals, businesses, local authorities and the Mayor of London to identify the barriers to reducing plastic pollution and strategically choose actions that are turning the tide on single-use plastic water bottles in London," said Professor Koldewey.
"We've shown that that there are very tangible and immediate steps we can all take to reducing the amount of plastic that ends up in our waterways and eventually the ocean."
The launch of the latest group of devices also coincides with COP26's Cities Day.
The group hopes that this latest data on the movement of ocean plastic will inspire other cities across the globe to take steps to curb single-use plastic pollution for the sake of our ocean.
The #OneLess campaign works with scientists, businesses, visitor attractions and governments to reduce the reliance on and numbers of single use plastic water bottles.
They have recently launched a practical guide aimed at organizations, campaigns and cities around the world that are interested in #OneLess as a systems change approach to environmental conservation.
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