Climate: Past, Present & Future

remote sensing

A Remote Sensing Solution for Nitrous Oxide: The Greenhouse Gas We Need to See Better

Ayesha Riaz October 2, 2026

When we talk about greenhouse gases and climate change, carbon dioxide (CO2) and methane (CH4) usually receive most of the attention. Yet another gas, nitrous oxide (N2O), quietly plays an important role in our changing climate. Commonly known as “laughing gas”, N2O is a powerful greenhouse gas with nearly 273 times the warming potential of …[Read More]

Breathing life into a d(r)ying lake in northwest Iran

P. Saemian, O. Elmi, B.D. Vishwakarma, M.J. Tourian and N. Sneeuw August 6, 2020

Lake Urmia, in Northwest Iran, was once the most extensive and permanent hypersaline lake (salinity >> of ocean) in the world. Since 1995, the lake water level has dropped about 8 m, shrinking to less than 30% of its original surface area and losing more than 90% of its water volume over two decades [1]. …[Read More]

About

Welcome to the blog of the Climate: Past, Present and Future (CL) Division of the European Geosciences Union (EGU). The CL division covers all aspects of the ocean-climate-atmospheric systems, encompassing multiple, overlapping and complementary disciplines. We focus on the reconstruction of past climatic changes, the state of the current climate, and model predictions of future climate scenarios.

Through this blog, we aim to share a wide range of topics in climate science, not only with fellow scientists, but also with anyone interested in learning more about the climate system and its changes. This blog is run with great enthusiasm by our Editors-in-Chief. Everybody is warmly invited to contribute to the blog and submit posts to either Shalenys Bedoya-Valestt, Ceren Moral or Bianca Biess.

Please check the Submit a Post page for more information.