Not sure if you'll be able to open this link from yesterday, so I'll copy/paste some of the article also. This might be what you're seeing. Click to follow link...
What was that? Carbon capture experiment underway off Duck 20 hours ago
By Sam Walker
A pair of tugs, a barge and a small research boat were working off the Carolina Shores neighborhood in Duck on Sunday as part of a pilot project to "advance climate science research".
San Francisco-based Project Vesta, a public benefit corporation focused on ocean-based carbon dioxide removal, was founded in 2019.
Their project involves placing a common mineral in the nearshore waters north of the U.S. Army Corps of Engineers Field Research Facility this month to implement a project known as "Coastal Carbon Capture.
According to the project's website, "CCC is a new technique inspired by Coastal Enhanced Weathering which accelerates the Earth’s natural process for removing atmospheric carbon dioxide - the pollutant driving unprecedented climate change."
"This project is designed to help the world understand the role Coastal Carbon Capture could play in removing excess carbon dioxide from the atmosphere to minimize impacts of climate change...our goals are to deploy olivine sand as a nearshore berm, monitor the effects to guide future projects and develop methods for tracking the movement of olivine sand."
Vesta said Coastal Carbon Capture is a technique for removing atmospheric carbon dioxide and reducing ocean acidity that could also be used to add sand to coastal protection projects.
"The dissolution of the carbon-removing sand in seawater accelerates the natural process of CO2 removal and storage by mineral weathering, which has regulated the Earth’s climate for billions of years."
Vesta said they chose the waters off Duck because " is one of the most studied and best-understood American coastlines...the USACE Field Research Facility and efforts by Dare County and the Town of Duck to study and manage the beach make it an invaluable location for scientific research."
The project involves the placement of 7,000 cubic yards of olivine sand will be placed in a 300-foot by 2200-foot corridor located 1,500 feet offshore in 25 feet of water.
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