5 things to know about fighting climate change by planting trees
Debate breaks out over whether the climate-saving potential of tree planting was exaggerated
![kids holding trees to plant](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/11/111419_sm_plantingtrees_feat.jpg?fit=1028%2C579&ssl=1)
An estimate that tree-planting (shown here in Ethiopia) has an astonishingly big potential for curbing climate change has gotten some downsizing by scientists.
MICHAEL TEWELDE/AFP/Getty