Nature, Published online: 24 June 2026; doi:10.1038/s41586-026-10704-3

Global high-resolution mapping shows widespread seagrass loss and degradation since 2019, with most meadows outside protected areas, highlighting urgent conservation and climate-policy needs.

Nature Energy, Published online: 24 June 2026; doi:10.1038/s41560-026-02091-w

Aqueous Zn batteries are attractive for low-cost and safe energy storage, yet their practical use is hindered by limited reversibility. Here the authors report a ligand-confined, flowable Zn slurry that enables durable and efficient operation.