Learn about the methodology used by the Alberta Conservation Information Management System to classify Elements of biodiversity, like species and communities.

This course is a critical inquiry into landscape drawing, overview of its history, techniques, and conventions. The second semester of the representation sequence will introduce landform concepts ...

PACIFIC CITY, Ore. — Scott Burns, professor emeritus in geology at Portland State University, thought he had seen it all — until he saw a couple of photos of an extremely rare sand formation on the ...

An aerial drone photo taken on June 22, 2025 shows a view of Danxia landform in the rain at the Danxia National Geological Park in Zhangye, northwest China's Gansu Province. (Xinhua/Chen Bin) An ...