Including the effects of physical mechanisms that can quickly increase ice sheet discharge significantly raises sea level rise projections under high-emission scenarios.
Climate Change
Posted inResearch Spotlights
First Near-Global Measurements of Isotopic Nitrous Oxide
By harnessing satellite data collected from low-Earth orbit, scientists can now track the distribution of atmospheric nitrous oxide and its isotopes.
Posted inResearch Spotlights
Critical Role of Grazing Animals in an Ecosystem
Scientists model the effect of horses, cattle, sheep, and goats on local environments and global climate.
Posted inEditors' Highlights
Plotting the Pliocene Polar Front
Understanding changing conditions in the south polar oceans during the warm late Pliocene period may help predict the impact of contemporary warming.
Posted inResearch Spotlights
Reckoning with Climate’s Most Challenging Questions
Climate researchers outline a vision for the future of climate observations.
Posted inScience Updates
Assessing the Many Influences of High-Latitude Dust
First International Conference on High Latitude Cold Climate Dust (HLCCD); Reykjavík, Iceland, 22–25 May 2017
Posted inNews
Global Average Temperatures in 2017 Continued Upward Trend
Even when the warming from El Niño is removed, 2017 ranks among the hottest years on record.
Posted inAGU News
Revised AGU Position Statement Addresses Climate Intervention
The American Geophysical Union urges further research and policy development with regard to climate intervention (previously called geoengineering) that considers impacts on society.
Posted inScience Updates
The Amazon River’s Ecosystem: Where Land Meets the Sea
What happens to plant matter on its journey down the Amazon River to the Atlantic Ocean? One research group investigated the region where river and ocean meet to fill in this part of the story.
Posted inNews
Climate Change Is National Security Risk, Congress Members Warn
The Trump administration’s recently released National Security Strategy differs sharply from Obama’s strategy, which identified climate change as a top strategic risk to the country.