New frontier for carbon capture

CarbonRun’s first limestone silo in Pictou County, Nova Scotia. The company is building a machine to help slow global warming by transforming Earth’s rivers and oceans into giant sponges that absorb carbon dioxide from the air. — ©2024 The New York Times Company

IN a quiet forest in Nova Scotia, a start-up called CarbonRun is testing a new way to combat climate change by turning rivers into carbon-absorbing sponges.

Using a machine that grinds limestone and releases it into rivers, CarbonRun aims to trap carbon dioxide and prevent it from escaping into the atmosphere, ultimately reducing global warming.