2024 Yes A national research agenda supporting green schoolyard development and equitable access to nature https://doi.org/10.1525/elementa.406 Stevenson, Kathryn T. North America Opinion/Editorial Students Teachers Staff Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Green space Stress/Anxiety Cognitive Function Test performance Other green schoolyards Education policy research agenda children & nature sustainable communities This policy-oriented paper proposes a research agenda to support equitable access to green schoolyards in the U.S. Authors outline evidence gaps and cross-sector policy strategies to integrate nature into school environments and improve student health and learning. 2020