Astronomy On TapAstronomy on Tap Leiden: The Universe’s Ghosts and RipplesCulture Café Leidse Lente October 26, 2026 at 7:00 PM through 9:00 PM Community
Save The Waves CoalitionSave The WavesMonitor and help solve threats to coastal ecosystems Anywhere Ongoing Citizen ScienceOcean Water MarineEcology & EnvironmentCrowd Fundingoceancoastalsurf ecosystemsmarinetechnologysave the wavescsm-featuredconservationappcsm2026