A new study revises estimates for when oxygen became a permanent part of the atmosphere and solves a puzzle about glaciation during the Paleoproterozoic era.
Climate Change
Amazon Forests Are Turning into Savannas
Floodplain forests have low resilience to repeated exposure to wildfires. As climate change increases the instances of fires, forests may transform to less productive grassland ecosystems.
La inminente crisis del hundimiento del suelo en la Ciudad de México
Una nueva investigación revela la causa del rápido hundimiento y fracturación del suelo de la Ciudad de México.
The Who, What, When, Where, and Why of the Polar Vortex
Here’s a rundown of what this atmospheric phenomenon really is and why it matters.
First Worldwide View of a Key Phytoplankton Proxy
New insights into the dynamics of ocean features known as deep chlorophyll maxima set the stage for better understanding of their role in carbon cycling.
Cheap Sensors Provide Missing Air Quality Data in African Cities
Calibrated low-cost sensors in Kinshasa and Brazzaville provide new information on pollution and help scientists model a way to improve access to air quality data.
Holy Water: Miracle Accounts and Proxy Data Tell a Climate Story
In 6th century Italy, saints were said to perform an unusual number of water miracles. Paleoclimatological data from a stalagmite may reveal why.
Severe Hailstorms Are Costly and Hard to Predict
Hail causes huge financial losses worldwide every year. But we still can’t predict when hail will strike. Climate scientists from around the world are teaming up to figure out how to change that.
Convective Transport Explains “Missing” Ice near the Tropical Tropopause
Spaceborne lidar shows that more ice than expected is leaving the tropical tropopause layer in the atmosphere.
The Promise of Spaceborne High Spectral Resolution Lidar
New spaceborne high spectral resolution lidar measurements provide a new view of global aerosols.
