InMAP estimates air pollution within cities, but its predictions are flawed for specific chemicals. Now, scientists are addressing that shortcoming.

Sarah Derouin
Sarah Derouin is a freelance science journalist and editor who has been writing for Eos since 2017. She has a doctorate in geology from the University of Cincinnati and is a graduate of the Science Communication Program at University of California, Santa Cruz. Sarah has written for New Scientist, Scientific American, Popular Mechanics, Science, EARTH Magazine, and Mongabay. She was the 2018–19 Science Communication Fellow for the Geological Society of America and attended Congressional Climate Science Days. Beyond writing, Sarah was an acting associate editor for EARTH Magazine. She also worked behind the scenes as an assistant producer on Big Picture Science radio show, broadcast on more than 140 public radio stations. You can find more of her work at www.sarahderouin.com or connect with her on Twitter @Sarah_Derouin.
In the Pacific Northwest, 2021 Was the Hottest Year in a Millennium
A 1,000-year temperature record shows unprecedented warming in the Pacific Northwest, and new modeling predicts the likelihood of future heat waves in the decades to come.
Neural Networks Map the Ebb and Flow of Tiny Ponds
Ponds play an outsized role in carbon emissions, but their size makes them hard to track. Enter machine learning.
La estacionalidad del ciclo del carbono oceánico
Un grupo de científicos investigaron el impacto de los cambios estacionales en la cantidad y velocidad del carbono que viaja desde la superficie al océano profundo.
Scientists Just Measured a Debris Flow in Unprecedented Detail
This research team used a laser sensor originally designed for autonomous vehicles to track debris flow surges.
Lagos longevos cuentan una historia sobre el agua en Marte
Imágenes de alta resolución de paleolagos recientemente descubiertos en Marte demuestran un período de su historia con flujo de agua constante.
Small-Scale Convection Shuffles the Oceanic Lithosphere
Seafloor spreading organized lithospheric minerals into a lattice, but small-scale convection jumbled up the innermost layer.
How Much Greenhouse Gas Do Tropical Soils Emit?
New research found that tropical soils emit nitrogen mostly as inert dinitrogen rather than as greenhouse gases.