Specially equipped aircraft will follow air masses into and out of the Arctic, observing their transformations and improving our knowledge of the Arctic climate and its global influence.
Climate Change
Geologists Have a New Tool for Reconstructing the Ancient Climate
A new study of seafloor sediments finds that the temperature record in the early Paleozoic corresponds to significant shifts in the diversity of life on Earth.
Building a Better Model to View Earth’s Interacting Processes
Researchers collaborated to produce and evaluate a new version of the Community Earth System Model, and they are documenting their work in the AGU CESM2 virtual special issue.
Satellite Captures Detaching Iceberg in Near-Real Time
NASA’s ICESat-2 satellite recorded the cleaving of a 315-billion-ton iceberg from Amery Ice Shelf in 2019, as well as years of subtle cracking and splitting prior to the calving event.
El debate sobre las proyecciones de emisiones energéticas de las Naciones Unidas
Un nuevo estudio encuentra el factor económico que controla la divergencia entre las trayectorias de las emisiones en las evaluaciones climáticas y la realidad.
New Funding Fortifies Africa’s Great Green Wall
With increased investment and renewed interest, a project to halt land degradation across the Sahel aims to transform the landscape—and people’s lives.
Microplastics’ Hidden Contribution to Snow Melting
Microplastic particles, present everywhere on the planet, may complicate assessments of black carbon’s role in the melting of snow and of its contributions to Earth’s radiative balance.
An Observational Gap at the Edge of Space
Ongoing climate change in Earth’s middle and upper atmosphere will affect the rapidly expanding space and telecommunications sectors. Maintaining observations of this region is more crucial than ever.
Global Warming Could Rob Liquors of Their Flavor
A new study examines the impact of glacial extinction on biodiversity in alpine regions.
