Carbon removal needs more transparency, Georgia Tech researchers say

A Nature NPJ Climate Action paper from Georgia Tech and Yale researchers says carbon removal can help reduce greenhouse gases but the industry is largely unregulated and needs greater transparency and oversight.

Researchers from Georgia Tech and Yale published a paper in Nature NPJ Climate Action calling for greater transparency in carbon removal. They note carbon removal approaches include engineered options like direct air capture and ecological methods such as planting trees or liming soils. The paper highlights that today's voluntary carbon market often lacks independent oversight, allowing claims of removal with limited verification. The authors argue that transparent data on accounting, costs, and local benefits is essential to guide policy and public trust. Key points: - The paper is authored by Chris Reinhard of Georgia Tech and Noah Planavsky of Yale and frames transparency as central to responsible carbon removal. - The current commercial market for carbon removal is described as largely voluntary and often opaque, with limited independent verification. - Many startups keep methods and data proprietary, which the authors say obscures true costs and long-term impacts. - The researchers recommend quantifying removal pathways, reporting costs and outcomes, and prioritizing community benefits to inform policy and oversight. Summary: The authors say that without greater transparency and policy guidance, carbon removal risks remaining a market-defined practice rather than a broadly trusted solution. They propose identifying removal pathways with clear local benefits, documenting costs and performance, and using that information as the basis for policy development and oversight.