U.S. scientists and policy experts with a broad range of expertise in the fields of climate and ecosystem sciences have outlined key recommendations aimed at bolstering the scientific foundation for implementation of nature-based climate solutions (NbCS) across the nation. These solutions, which include strategies like protecting carbon-dense forests and wetlands, improving land management, and restoring natural ecosystems, are crucial for enhancing carbon dioxide removal from the atmosphere and reducing greenhouse gas emissions. The stakes are very high—getting NbCS right could mean the difference between achieving long-term global greenhouse gas reduction goals or missing those targets and further destabilizing the climate system. Although NbCS strategies have potential, on the ground implementation of NbCS has been controversial, often outpacing the scientific understanding of their long-term benefits. The group calls for a more robust, evidence-based approach for NbCS so they can be deployed when and where they are most likely to succeed as climate solutions.