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Vesta, founded in the United States in 2019, is reportedly a Public Benefit Corporation on a mission not only to halt climate change but to actively "restore" the Earth's climate by permanently removing carbon dioxide from the atmosphere. Its core technology, Marine Enhanced Rock Weathering (mERW)—often referred to as "Coastal Carbon Capture"—is considered an ingenious negative emission technology (the permanent fixation and reduction of atmospheric CO2) that utilizes scientific methods to accelerate the natural carbon cycle the Earth has performed for billions of years.
Given that climate restoration has become an urgent and immediate priority, the organization is said to offer a "Turn-Key" solution ready for deployment now, rather than waiting for future technological breakthroughs. The process is reported to involve spreading olivine, a globally abundant natural mineral, as sand along coastlines, where it is designed to dissolve using free wave energy to permanently sequester CO2 in seawater.
A noteworthy aspect of their strategy is the utilization of existing supply chains and the global coastal construction industry instead of building a massive organization from scratch. This approach reportedly possesses the potential to capture one gigatonne of CO2 annually by utilizing just 0.1% to 0.25% of the world’s shelf seas.
Because it avoids mechanical power, this method is projected to achieve costs below $35 per tonne—less than 10% of competing technologies (such as Direct Air Capture, forestry, or regenerative agriculture)—with a carbon removal efficiency of approximately 95%. Vesta’s structure as a Public Benefit Corporation is intended to prioritize its public mission over short-term profits, maintaining scientific integrity through independent oversight. By offering multi-faceted value, such as mitigating ocean acidification and protecting against coastal flooding, the organization aims to transform essential infrastructure into "climate-negative" assets. Its vision to support the Earth’s self-healing capacity provides a sense of hope for the sustainability of our civilization, and further success is highly anticipated from this pioneering entity. (AS)
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Vesta Coastal Carbon Capture Pilot Launch - Long Island, NY
Coastal Enhanced Weathering Field Trial - Hourglass Climate
Ever been to a green sand beach? The newest geohack to fight climate change - Fast Company
Green Sand Beaches Could Erase Carbon Dioxide, One Wave at a Time