A rocky outcrop of a mountain completely surrounded by glaciers.

Nunataks: Glacial Islands

Caitlin Dempsey

Nunataks are isolated mountain peaks emerging above ice sheets in polar and high-altitude regions.

An underwater view of staghorn coral (Acropora cervicornis) on the sandy floor of the ocean.

Study Models How Well Marine Protected Areas Overlap Fish Habitat

Caitlin Dempsey

A study found that most marine protected areas (MPAs) don't adequately cover key habitats of diadromous fish with only 50% of core habitats protected.

A colored map showing major and minor tectonic plates on Earth.

Understanding the Earth’s Structure: A Guide to Tectonic Plates

Caitlin Dempsey

The Earth's lithosphere is divided into tectonic plates, which are in constant motion. Learn where to find GIS data on tectonic plates.

A small child riding a kids red play scooter on a sidewalk.

Using GIS to Design Child-Friendly Cities

Mark Altaweel

Using GIS, cities can design child-friendly pedestrian pathways that prioritize children's interests and safety, promoting urban living and sustainability.