Net impact map (IMAGE) Aarhus University Caption The Net Climate Impact (NCI) of tree planting across the Northern circumpolar region (blue=cooling, red=warming). NCI is the carbon storage in trees minus the albedo reduction effect expressed as CO2 equivalents (CO2e) per unit area. CO2e indicates the mass of CO2 that would need to be emitted/extracted from to the atmosphere to force a similar warming/cooling effect. Note that significant areas of the Arctic are excluded due to lack of data. Given the general northward change from cooling to warming effects, the researchers expect these areas to show mainly warming net effects. The map is adapted from Hasler et al. 2024, Nature Communications: https://www.nature.com/articles/s41467-024-46577-1 Credit Jeffrey T. Kerby Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.