D. Ampatzidis, A. Tsimerikas, G. Moschopoulos, K. Balidakis and A. Mouratidis EDITORIAL DISCLOSURE — The article is an editorial adaptation and professional-magazine presentation of research already published by the authors in the peer-reviewed Bulletin of Geophysics and Oceanography: Ampatzidis, D., Tsimerikas, A., Moschopoulos, G., Balidakis, K. and Mouratidis, A. (2025), “The alignment of PPP-derived coordinates...

After two decades and a collaboration commonly valued at around a billion dollars, the United States has been mapped wall to wall in high-resolution lidar. The harder question begins now — what it costs to keep a national elevation model current, and who documents it well enough to trust. XYHT STAFF In a packed auditorium...

By Dr. Mark Bynoe and Sven Cowan When a major storm sweeps across the Caribbean, coastlines can change in an instant. Beaches vanish. Cliffs shear away. Floodwaters push inland into neighborhoods and tourist meccas once considered safe. Climate change poses significant problems in the region. Damaging floods and storms have more than tripled since the early 2000s,...