
A new cataloging system will help better preserve, track and share thousands of tree ring samples from around the globe.

The authors of a new book discuss how urban areas can take climate action without running afoul of state and federal laws.

Drilling into sub-ice deposits left behind during times when the Earth was warmer than today should provide insights into how a massive ice sheet will react to human-induced climate change.

In the Climate LIVE video series, experts from across the Columbia Climate School discuss topics in climate and sustainability for grade school and university students, educators, parents and the public.

The future of America’s water supply is an open question. The need for an adequate water supply is not open to question.

Two sustainable-development students reflect on career-defining internships.

James Hansen warned the world in the 1980s that global warming was coming. Now, he is warning that it is barreling down even faster than expected.

Rapidly intensifying hurricanes are hard to predict. Research suggests that climate change may be making them more frequent.

By analyzing the frequency of certain words within news media from any country, a machine learning algorithm can produce a quantitative “peace index” that captures the level of peace within that country.