High-resolution satellite images allowed researchers to do a more comprehensive head count than ever before, and revealed patterns in the seals’ distribution.

While elevated levels of CO2 can help plants grow, the impacts of climate change mean it’s not all good news for the plant world.

The Columbia ecologist will serve as the society’s president in 2023-2024.

As glaciers disappear, so too do the insects that call them home. So an ecologist has questioned whether traditional methods of killing insects to study them is sustainable.

Students in the MPA in Environmental Science and Policy program learned about the ecology of NYC and other cities around the world this summer as they completed courses in Principles of Ecology and Urban Ecology.

As glaciers recede in the Italian Alps, a shift toward grasslands is threatening native herbs like Artemisia genipi, a key ingredient in the region’s traditional liqueurs.

A recent study examines the changes in the foreland of a melting Icelandic glacier. With ice gone, new plant life is springing up and changing a centuries-old ecosystem.

This summer, the Summer Ecosystem Experiences for Undergraduates gave students an in-depth look at the food systems in and around NYC.

This July, Columbia University and Tel Aviv University will send graduate students to the Middle East to learn about the environmental challenges facing communities in Jordan and Israel.

Recent research indicates that salt is accumulating in the environment and poses an emerging threat both to ecosystems and human health.